Home / 782,601.84-1,171,894.02-542,373.36

Finding the Fourth Proportional to 782,601.84, 1,171,894.02 and 542,373.36

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Solution

The fourth proportional to 782,601.84, 1,171,894.02 and 542,373.36 is: 812,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,601.84 : 1,171,894.02 = 542,373.36 : x
  2. Step 2: Convert to fraction form
    782,601.84/1,171,894.02 = 542,373.36/x
  3. Step 3: Cross multiply
    782,601.84x = 1,171,894.02 × 542,373.36
  4. Step 4: Simplify right side
    782,601.84x = 635,604,097,191.31
  5. Step 5: Solve for x
    x = 635,604,097,191.31/782,601.84
  6. Step 6: Final answer
    x = 812,167.91

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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.