Home / 811,749.60-1,218,044.57-588,948.98

Finding the Fourth Proportional to 811,749.60, 1,218,044.57 and 588,948.98

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Solution

The fourth proportional to 811,749.60, 1,218,044.57 and 588,948.98 is: 883,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,749.60 : 1,218,044.57 = 588,948.98 : x
  2. Step 2: Convert to fraction form
    811,749.60/1,218,044.57 = 588,948.98/x
  3. Step 3: Cross multiply
    811,749.60x = 1,218,044.57 × 588,948.98
  4. Step 4: Simplify right side
    811,749.60x = 717,366,098,061.07
  5. Step 5: Solve for x
    x = 717,366,098,061.07/811,749.60
  6. Step 6: Final answer
    x = 883,728.30

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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.