Home / 654,831.30-902,432.25-573,730.50

Finding the Fourth Proportional to 654,831.30, 902,432.25 and 573,730.50

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Solution

The fourth proportional to 654,831.30, 902,432.25 and 573,730.50 is: 790,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,831.30 : 902,432.25 = 573,730.50 : x
  2. Step 2: Convert to fraction form
    654,831.30/902,432.25 = 573,730.50/x
  3. Step 3: Cross multiply
    654,831.30x = 902,432.25 × 573,730.50
  4. Step 4: Simplify right side
    654,831.30x = 517,752,906,008.63
  5. Step 5: Solve for x
    x = 517,752,906,008.63/654,831.30
  6. Step 6: Final answer
    x = 790,666.09

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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.