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Finding the Fourth Proportional to 1,366,583.71, 1,885,899.62 and 754,751.72

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Solution

The fourth proportional to 1,366,583.71, 1,885,899.62 and 754,751.72 is: 1,041,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,583.71 : 1,885,899.62 = 754,751.72 : x
  2. Step 2: Convert to fraction form
    1,366,583.71/1,885,899.62 = 754,751.72/x
  3. Step 3: Cross multiply
    1,366,583.71x = 1,885,899.62 × 754,751.72
  4. Step 4: Simplify right side
    1,366,583.71x = 1,423,385,981,942.35
  5. Step 5: Solve for x
    x = 1,423,385,981,942.35/1,366,583.71
  6. Step 6: Final answer
    x = 1,041,565.16

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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.