Home / 1,234,901.80-1,852,352.70-486,850.60

Finding the Fourth Proportional to 1,234,901.80, 1,852,352.70 and 486,850.60

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Solution

The fourth proportional to 1,234,901.80, 1,852,352.70 and 486,850.60 is: 730,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,901.80 : 1,852,352.70 = 486,850.60 : x
  2. Step 2: Convert to fraction form
    1,234,901.80/1,852,352.70 = 486,850.60/x
  3. Step 3: Cross multiply
    1,234,901.80x = 1,852,352.70 × 486,850.60
  4. Step 4: Simplify right side
    1,234,901.80x = 901,819,023,406.62
  5. Step 5: Solve for x
    x = 901,819,023,406.62/1,234,901.80
  6. Step 6: Final answer
    x = 730,275.90

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Half scale
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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.