Home / 988,078.23-1,363,484.61-552,531.48

Finding the Fourth Proportional to 988,078.23, 1,363,484.61 and 552,531.48

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Solution

The fourth proportional to 988,078.23, 1,363,484.61 and 552,531.48 is: 762,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,078.23 : 1,363,484.61 = 552,531.48 : x
  2. Step 2: Convert to fraction form
    988,078.23/1,363,484.61 = 552,531.48/x
  3. Step 3: Cross multiply
    988,078.23x = 1,363,484.61 × 552,531.48
  4. Step 4: Simplify right side
    988,078.23x = 753,368,169,520.52
  5. Step 5: Solve for x
    x = 753,368,169,520.52/988,078.23
  6. Step 6: Final answer
    x = 762,458.02

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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.