Home / 927,697.20-1,280,203.56-519,794.16

Finding the Fourth Proportional to 927,697.20, 1,280,203.56 and 519,794.16

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Solution

The fourth proportional to 927,697.20, 1,280,203.56 and 519,794.16 is: 717,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,697.20 : 1,280,203.56 = 519,794.16 : x
  2. Step 2: Convert to fraction form
    927,697.20/1,280,203.56 = 519,794.16/x
  3. Step 3: Cross multiply
    927,697.20x = 1,280,203.56 × 519,794.16
  4. Step 4: Simplify right side
    927,697.20x = 665,442,334,099.21
  5. Step 5: Solve for x
    x = 665,442,334,099.21/927,697.20
  6. Step 6: Final answer
    x = 717,305.53

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Double scale
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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.