Home / 932,891.16-1,287,374.94-519,423.96

Finding the Fourth Proportional to 932,891.16, 1,287,374.94 and 519,423.96

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Solution

The fourth proportional to 932,891.16, 1,287,374.94 and 519,423.96 is: 716,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,891.16 : 1,287,374.94 = 519,423.96 : x
  2. Step 2: Convert to fraction form
    932,891.16/1,287,374.94 = 519,423.96/x
  3. Step 3: Cross multiply
    932,891.16x = 1,287,374.94 × 519,423.96
  4. Step 4: Simplify right side
    932,891.16x = 668,693,389,339.56
  5. Step 5: Solve for x
    x = 668,693,389,339.56/932,891.16
  6. Step 6: Final answer
    x = 716,796.79

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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.