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Finding the Fourth Proportional to 1,042,924, 1,439,235.18 and 565,996

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Solution

The fourth proportional to 1,042,924, 1,439,235.18 and 565,996 is: 781,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,924 : 1,439,235.18 = 565,996 : x
  2. Step 2: Convert to fraction form
    1,042,924/1,439,235.18 = 565,996/x
  3. Step 3: Cross multiply
    1,042,924x = 1,439,235.18 × 565,996
  4. Step 4: Simplify right side
    1,042,924x = 814,601,354,939.28
  5. Step 5: Solve for x
    x = 814,601,354,939.28/1,042,924
  6. Step 6: Final answer
    x = 781,074.51

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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.