Home / 577,670.10-865,583.55-483,666.90

Finding the Fourth Proportional to 577,670.10, 865,583.55 and 483,666.90

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Solution

The fourth proportional to 577,670.10, 865,583.55 and 483,666.90 is: 724,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,670.10 : 865,583.55 = 483,666.90 : x
  2. Step 2: Convert to fraction form
    577,670.10/865,583.55 = 483,666.90/x
  3. Step 3: Cross multiply
    577,670.10x = 865,583.55 × 483,666.90
  4. Step 4: Simplify right side
    577,670.10x = 418,654,112,319.50
  5. Step 5: Solve for x
    x = 418,654,112,319.50/577,670.10
  6. Step 6: Final answer
    x = 724,728.72

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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.