Home / 691,573.86-1,031,951.93-547,789.86

Finding the Fourth Proportional to 691,573.86, 1,031,951.93 and 547,789.86

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Solution

The fourth proportional to 691,573.86, 1,031,951.93 and 547,789.86 is: 817,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,573.86 : 1,031,951.93 = 547,789.86 : x
  2. Step 2: Convert to fraction form
    691,573.86/1,031,951.93 = 547,789.86/x
  3. Step 3: Cross multiply
    691,573.86x = 1,031,951.93 × 547,789.86
  4. Step 4: Simplify right side
    691,573.86x = 565,292,800,522.48
  5. Step 5: Solve for x
    x = 565,292,800,522.48/691,573.86
  6. Step 6: Final answer
    x = 817,400.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.