Home / 746,303.10-1,119,454.65-185,337.60

Finding the Fourth Proportional to 746,303.10, 1,119,454.65 and 185,337.60

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Solution

The fourth proportional to 746,303.10, 1,119,454.65 and 185,337.60 is: 278,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,303.10 : 1,119,454.65 = 185,337.60 : x
  2. Step 2: Convert to fraction form
    746,303.10/1,119,454.65 = 185,337.60/x
  3. Step 3: Cross multiply
    746,303.10x = 1,119,454.65 × 185,337.60
  4. Step 4: Simplify right side
    746,303.10x = 207,477,038,139.84
  5. Step 5: Solve for x
    x = 207,477,038,139.84/746,303.10
  6. Step 6: Final answer
    x = 278,006.40

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Double scale
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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.