Home / 926,787.16-1,279,165.80-564,330.88

Finding the Fourth Proportional to 926,787.16, 1,279,165.80 and 564,330.88

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Solution

The fourth proportional to 926,787.16, 1,279,165.80 and 564,330.88 is: 778,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,787.16 : 1,279,165.80 = 564,330.88 : x
  2. Step 2: Convert to fraction form
    926,787.16/1,279,165.80 = 564,330.88/x
  3. Step 3: Cross multiply
    926,787.16x = 1,279,165.80 × 564,330.88
  4. Step 4: Simplify right side
    926,787.16x = 721,872,761,579.90
  5. Step 5: Solve for x
    x = 721,872,761,579.90/926,787.16
  6. Step 6: Final answer
    x = 778,898.10

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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.