Home / 510,740.20-766,108.23-155,753.19

Finding the Fourth Proportional to 510,740.20, 766,108.23 and 155,753.19

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Solution

The fourth proportional to 510,740.20, 766,108.23 and 155,753.19 is: 233,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,740.20 : 766,108.23 = 155,753.19 : x
  2. Step 2: Convert to fraction form
    510,740.20/766,108.23 = 155,753.19/x
  3. Step 3: Cross multiply
    510,740.20x = 766,108.23 × 155,753.19
  4. Step 4: Simplify right side
    510,740.20x = 119,323,800,707.75
  5. Step 5: Solve for x
    x = 119,323,800,707.75/510,740.20
  6. Step 6: Final answer
    x = 233,629.15

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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.