Home / 627,640.10-941,460.15-603,145.70

Finding the Fourth Proportional to 627,640.10, 941,460.15 and 603,145.70

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Solution

The fourth proportional to 627,640.10, 941,460.15 and 603,145.70 is: 904,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,640.10 : 941,460.15 = 603,145.70 : x
  2. Step 2: Convert to fraction form
    627,640.10/941,460.15 = 603,145.70/x
  3. Step 3: Cross multiply
    627,640.10x = 941,460.15 × 603,145.70
  4. Step 4: Simplify right side
    627,640.10x = 567,837,641,193.86
  5. Step 5: Solve for x
    x = 567,837,641,193.86/627,640.10
  6. Step 6: Final answer
    x = 904,718.55

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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.