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Finding the Fourth Proportional to 962,382.80, 1,440,463.80 and 750,875.60

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Solution

The fourth proportional to 962,382.80, 1,440,463.80 and 750,875.60 is: 1,123,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,382.80 : 1,440,463.80 = 750,875.60 : x
  2. Step 2: Convert to fraction form
    962,382.80/1,440,463.80 = 750,875.60/x
  3. Step 3: Cross multiply
    962,382.80x = 1,440,463.80 × 750,875.60
  4. Step 4: Simplify right side
    962,382.80x = 1,081,609,120,103.28
  5. Step 5: Solve for x
    x = 1,081,609,120,103.28/962,382.80
  6. Step 6: Final answer
    x = 1,123,886.59

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1.5x scale

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.