Home / 927,117.17-1,279,360.78-519,125.48

Finding the Fourth Proportional to 927,117.17, 1,279,360.78 and 519,125.48

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Solution

The fourth proportional to 927,117.17, 1,279,360.78 and 519,125.48 is: 716,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,117.17 : 1,279,360.78 = 519,125.48 : x
  2. Step 2: Convert to fraction form
    927,117.17/1,279,360.78 = 519,125.48/x
  3. Step 3: Cross multiply
    927,117.17x = 1,279,360.78 × 519,125.48
  4. Step 4: Simplify right side
    927,117.17x = 664,148,779,010.68
  5. Step 5: Solve for x
    x = 664,148,779,010.68/927,117.17
  6. Step 6: Final answer
    x = 716,359.05

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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.