Home / 792,100.60-1,187,276.10-437,369.20

Finding the Fourth Proportional to 792,100.60, 1,187,276.10 and 437,369.20

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Solution

The fourth proportional to 792,100.60, 1,187,276.10 and 437,369.20 is: 655,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,100.60 : 1,187,276.10 = 437,369.20 : x
  2. Step 2: Convert to fraction form
    792,100.60/1,187,276.10 = 437,369.20/x
  3. Step 3: Cross multiply
    792,100.60x = 1,187,276.10 × 437,369.20
  4. Step 4: Simplify right side
    792,100.60x = 519,277,998,036.12
  5. Step 5: Solve for x
    x = 519,277,998,036.12/792,100.60
  6. Step 6: Final answer
    x = 655,570.77

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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.