Home / 1,138,827.01-1,571,599.92-679,981.69

Finding the Fourth Proportional to 1,138,827.01, 1,571,599.92 and 679,981.69

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Solution

The fourth proportional to 1,138,827.01, 1,571,599.92 and 679,981.69 is: 938,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,827.01 : 1,571,599.92 = 679,981.69 : x
  2. Step 2: Convert to fraction form
    1,138,827.01/1,571,599.92 = 679,981.69/x
  3. Step 3: Cross multiply
    1,138,827.01x = 1,571,599.92 × 679,981.69
  4. Step 4: Simplify right side
    1,138,827.01x = 1,068,659,169,605.46
  5. Step 5: Solve for x
    x = 1,068,659,169,605.46/1,138,827.01
  6. Step 6: Final answer
    x = 938,385.87

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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.