Home / 1,154,974.78-1,593,819.48-638,695.16

Finding the Fourth Proportional to 1,154,974.78, 1,593,819.48 and 638,695.16

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Solution

The fourth proportional to 1,154,974.78, 1,593,819.48 and 638,695.16 is: 881,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,974.78 : 1,593,819.48 = 638,695.16 : x
  2. Step 2: Convert to fraction form
    1,154,974.78/1,593,819.48 = 638,695.16/x
  3. Step 3: Cross multiply
    1,154,974.78x = 1,593,819.48 × 638,695.16
  4. Step 4: Simplify right side
    1,154,974.78x = 1,017,964,787,789.72
  5. Step 5: Solve for x
    x = 1,017,964,787,789.72/1,154,974.78
  6. Step 6: Final answer
    x = 881,374.04

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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.