Home / 931,876.59-1,397,583.99-399,337.23

Finding the Fourth Proportional to 931,876.59, 1,397,583.99 and 399,337.23

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Solution

The fourth proportional to 931,876.59, 1,397,583.99 and 399,337.23 is: 598,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,876.59 : 1,397,583.99 = 399,337.23 : x
  2. Step 2: Convert to fraction form
    931,876.59/1,397,583.99 = 399,337.23/x
  3. Step 3: Cross multiply
    931,876.59x = 1,397,583.99 × 399,337.23
  4. Step 4: Simplify right side
    931,876.59x = 558,107,319,258.95
  5. Step 5: Solve for x
    x = 558,107,319,258.95/931,876.59
  6. Step 6: Final answer
    x = 598,906.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.