Home / 813,153.60-1,220,896.80-614,865.60

Finding the Fourth Proportional to 813,153.60, 1,220,896.80 and 614,865.60

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Solution

The fourth proportional to 813,153.60, 1,220,896.80 and 614,865.60 is: 923,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,153.60 : 1,220,896.80 = 614,865.60 : x
  2. Step 2: Convert to fraction form
    813,153.60/1,220,896.80 = 614,865.60/x
  3. Step 3: Cross multiply
    813,153.60x = 1,220,896.80 × 614,865.60
  4. Step 4: Simplify right side
    813,153.60x = 750,687,443,470.08
  5. Step 5: Solve for x
    x = 750,687,443,470.08/813,153.60
  6. Step 6: Final answer
    x = 923,180.37

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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.