Home / 588,686.13-812,155.02-340,163.87

Finding the Fourth Proportional to 588,686.13, 812,155.02 and 340,163.87

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Solution

The fourth proportional to 588,686.13, 812,155.02 and 340,163.87 is: 469,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,686.13 : 812,155.02 = 340,163.87 : x
  2. Step 2: Convert to fraction form
    588,686.13/812,155.02 = 340,163.87/x
  3. Step 3: Cross multiply
    588,686.13x = 812,155.02 × 340,163.87
  4. Step 4: Simplify right side
    588,686.13x = 276,265,796,066.61
  5. Step 5: Solve for x
    x = 276,265,796,066.61/588,686.13
  6. Step 6: Final answer
    x = 469,292.18

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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.