Home / 649,140.10-973,710.15-624,256.90

Finding the Fourth Proportional to 649,140.10, 973,710.15 and 624,256.90

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Solution

The fourth proportional to 649,140.10, 973,710.15 and 624,256.90 is: 936,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,140.10 : 973,710.15 = 624,256.90 : x
  2. Step 2: Convert to fraction form
    649,140.10/973,710.15 = 624,256.90/x
  3. Step 3: Cross multiply
    649,140.10x = 973,710.15 × 624,256.90
  4. Step 4: Simplify right side
    649,140.10x = 607,845,279,737.54
  5. Step 5: Solve for x
    x = 607,845,279,737.54/649,140.10
  6. Step 6: Final answer
    x = 936,385.35

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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.