Home / 1,154,691.76-1,593,410.22-638,415.76

Finding the Fourth Proportional to 1,154,691.76, 1,593,410.22 and 638,415.76

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Solution

The fourth proportional to 1,154,691.76, 1,593,410.22 and 638,415.76 is: 880,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,691.76 : 1,593,410.22 = 638,415.76 : x
  2. Step 2: Convert to fraction form
    1,154,691.76/1,593,410.22 = 638,415.76/x
  3. Step 3: Cross multiply
    1,154,691.76x = 1,593,410.22 × 638,415.76
  4. Step 4: Simplify right side
    1,154,691.76x = 1,017,258,196,593.07
  5. Step 5: Solve for x
    x = 1,017,258,196,593.07/1,154,691.76
  6. Step 6: Final answer
    x = 880,978.14

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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.