Home / 930,898.76-1,284,657.28-517,474.36

Finding the Fourth Proportional to 930,898.76, 1,284,657.28 and 517,474.36

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Solution

The fourth proportional to 930,898.76, 1,284,657.28 and 517,474.36 is: 714,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,898.76 : 1,284,657.28 = 517,474.36 : x
  2. Step 2: Convert to fraction form
    930,898.76/1,284,657.28 = 517,474.36/x
  3. Step 3: Cross multiply
    930,898.76x = 1,284,657.28 × 517,474.36
  4. Step 4: Simplify right side
    930,898.76x = 664,777,203,787.34
  5. Step 5: Solve for x
    x = 664,777,203,787.34/930,898.76
  6. Step 6: Final answer
    x = 714,124.06

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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.