Home / 498,831.60-747,737.10-245,722.80

Finding the Fourth Proportional to 498,831.60, 747,737.10 and 245,722.80

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Solution

The fourth proportional to 498,831.60, 747,737.10 and 245,722.80 is: 368,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,831.60 : 747,737.10 = 245,722.80 : x
  2. Step 2: Convert to fraction form
    498,831.60/747,737.10 = 245,722.80/x
  3. Step 3: Cross multiply
    498,831.60x = 747,737.10 × 245,722.80
  4. Step 4: Simplify right side
    498,831.60x = 183,736,053,875.88
  5. Step 5: Solve for x
    x = 183,736,053,875.88/498,831.60
  6. Step 6: Final answer
    x = 368,332.83

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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.