Home / 516,320.02-712,598.61-407,174.14

Finding the Fourth Proportional to 516,320.02, 712,598.61 and 407,174.14

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Solution

The fourth proportional to 516,320.02, 712,598.61 and 407,174.14 is: 561,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,320.02 : 712,598.61 = 407,174.14 : x
  2. Step 2: Convert to fraction form
    516,320.02/712,598.61 = 407,174.14/x
  3. Step 3: Cross multiply
    516,320.02x = 712,598.61 × 407,174.14
  4. Step 4: Simplify right side
    516,320.02x = 290,151,726,191.95
  5. Step 5: Solve for x
    x = 290,151,726,191.95/516,320.02
  6. Step 6: Final answer
    x = 561,961.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.