Home / 927,538.66-1,279,712.82-519,585.40

Finding the Fourth Proportional to 927,538.66, 1,279,712.82 and 519,585.40

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Solution

The fourth proportional to 927,538.66, 1,279,712.82 and 519,585.40 is: 716,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,538.66 : 1,279,712.82 = 519,585.40 : x
  2. Step 2: Convert to fraction form
    927,538.66/1,279,712.82 = 519,585.40/x
  3. Step 3: Cross multiply
    927,538.66x = 1,279,712.82 × 519,585.40
  4. Step 4: Simplify right side
    927,538.66x = 664,920,097,464.83
  5. Step 5: Solve for x
    x = 664,920,097,464.83/927,538.66
  6. Step 6: Final answer
    x = 716,865.10

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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.