Home / 616,831.11-922,687.87-579,039.75

Finding the Fourth Proportional to 616,831.11, 922,687.87 and 579,039.75

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Solution

The fourth proportional to 616,831.11, 922,687.87 and 579,039.75 is: 866,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,831.11 : 922,687.87 = 579,039.75 : x
  2. Step 2: Convert to fraction form
    616,831.11/922,687.87 = 579,039.75/x
  3. Step 3: Cross multiply
    616,831.11x = 922,687.87 × 579,039.75
  4. Step 4: Simplify right side
    616,831.11x = 534,272,953,572.83
  5. Step 5: Solve for x
    x = 534,272,953,572.83/616,831.11
  6. Step 6: Final answer
    x = 866,157.60

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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.