Home / 927,540.66-1,279,715.58-519,587.40

Finding the Fourth Proportional to 927,540.66, 1,279,715.58 and 519,587.40

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Solution

The fourth proportional to 927,540.66, 1,279,715.58 and 519,587.40 is: 716,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,540.66 : 1,279,715.58 = 519,587.40 : x
  2. Step 2: Convert to fraction form
    927,540.66/1,279,715.58 = 519,587.40/x
  3. Step 3: Cross multiply
    927,540.66x = 1,279,715.58 × 519,587.40
  4. Step 4: Simplify right side
    927,540.66x = 664,924,090,951.69
  5. Step 5: Solve for x
    x = 664,924,090,951.69/927,540.66
  6. Step 6: Final answer
    x = 716,867.86

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1.5x scale

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.