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Finding the Fourth Proportional to 1,042,816, 1,439,086.08 and 565,888

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Solution

The fourth proportional to 1,042,816, 1,439,086.08 and 565,888 is: 780,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,816 : 1,439,086.08 = 565,888 : x
  2. Step 2: Convert to fraction form
    1,042,816/1,439,086.08 = 565,888/x
  3. Step 3: Cross multiply
    1,042,816x = 1,439,086.08 × 565,888
  4. Step 4: Simplify right side
    1,042,816x = 814,361,543,639.04
  5. Step 5: Solve for x
    x = 814,361,543,639.04/1,042,816
  6. Step 6: Final answer
    x = 780,925.44

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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.