Home / 962,470.80-1,328,221.44-532,790.64

Finding the Fourth Proportional to 962,470.80, 1,328,221.44 and 532,790.64

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Solution

The fourth proportional to 962,470.80, 1,328,221.44 and 532,790.64 is: 735,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,470.80 : 1,328,221.44 = 532,790.64 : x
  2. Step 2: Convert to fraction form
    962,470.80/1,328,221.44 = 532,790.64/x
  3. Step 3: Cross multiply
    962,470.80x = 1,328,221.44 × 532,790.64
  4. Step 4: Simplify right side
    962,470.80x = 707,663,951,079.32
  5. Step 5: Solve for x
    x = 707,663,951,079.32/962,470.80
  6. Step 6: Final answer
    x = 735,257.58

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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.