Home / 691,940.18-954,877.85-386,016.56

Finding the Fourth Proportional to 691,940.18, 954,877.85 and 386,016.56

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Solution

The fourth proportional to 691,940.18, 954,877.85 and 386,016.56 is: 532,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,940.18 : 954,877.85 = 386,016.56 : x
  2. Step 2: Convert to fraction form
    691,940.18/954,877.85 = 386,016.56/x
  3. Step 3: Cross multiply
    691,940.18x = 954,877.85 × 386,016.56
  4. Step 4: Simplify right side
    691,940.18x = 368,598,663,842.24
  5. Step 5: Solve for x
    x = 368,598,663,842.24/691,940.18
  6. Step 6: Final answer
    x = 532,703.08

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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.