Home / 882,423.89-1,217,721.33-500,442.47

Finding the Fourth Proportional to 882,423.89, 1,217,721.33 and 500,442.47

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Solution

The fourth proportional to 882,423.89, 1,217,721.33 and 500,442.47 is: 690,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,423.89 : 1,217,721.33 = 500,442.47 : x
  2. Step 2: Convert to fraction form
    882,423.89/1,217,721.33 = 500,442.47/x
  3. Step 3: Cross multiply
    882,423.89x = 1,217,721.33 × 500,442.47
  4. Step 4: Simplify right side
    882,423.89x = 609,399,468,634.73
  5. Step 5: Solve for x
    x = 609,399,468,634.73/882,423.89
  6. Step 6: Final answer
    x = 690,597.20

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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.