Home / 1,158,498.41-1,598,822.19-642,414.11

Finding the Fourth Proportional to 1,158,498.41, 1,598,822.19 and 642,414.11

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Solution

The fourth proportional to 1,158,498.41, 1,598,822.19 and 642,414.11 is: 886,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,498.41 : 1,598,822.19 = 642,414.11 : x
  2. Step 2: Convert to fraction form
    1,158,498.41/1,598,822.19 = 642,414.11/x
  3. Step 3: Cross multiply
    1,158,498.41x = 1,598,822.19 × 642,414.11
  4. Step 4: Simplify right side
    1,158,498.41x = 1,027,105,926,242.99
  5. Step 5: Solve for x
    x = 1,027,105,926,242.99/1,158,498.41
  6. Step 6: Final answer
    x = 886,583.81

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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.