Home / 749,870.10-1,124,805.15-244,430.10

Finding the Fourth Proportional to 749,870.10, 1,124,805.15 and 244,430.10

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Solution

The fourth proportional to 749,870.10, 1,124,805.15 and 244,430.10 is: 366,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,870.10 : 1,124,805.15 = 244,430.10 : x
  2. Step 2: Convert to fraction form
    749,870.10/1,124,805.15 = 244,430.10/x
  3. Step 3: Cross multiply
    749,870.10x = 1,124,805.15 × 244,430.10
  4. Step 4: Simplify right side
    749,870.10x = 274,936,235,295.02
  5. Step 5: Solve for x
    x = 274,936,235,295.02/749,870.10
  6. Step 6: Final answer
    x = 366,645.15

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Half scale
Find fourth proportional to 1,499,740.20, 2,249,610.30 and 488,860.20
Double scale
Find fourth proportional to 749,871.10, 1,124,806.65 and 244,431.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.