Home / 927,751.48-1,280,301.96-519,854.20

Finding the Fourth Proportional to 927,751.48, 1,280,301.96 and 519,854.20

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Solution

The fourth proportional to 927,751.48, 1,280,301.96 and 519,854.20 is: 717,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,751.48 : 1,280,301.96 = 519,854.20 : x
  2. Step 2: Convert to fraction form
    927,751.48/1,280,301.96 = 519,854.20/x
  3. Step 3: Cross multiply
    927,751.48x = 1,280,301.96 × 519,854.20
  4. Step 4: Simplify right side
    927,751.48x = 665,570,351,174.23
  5. Step 5: Solve for x
    x = 665,570,351,174.23/927,751.48
  6. Step 6: Final answer
    x = 717,401.55

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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.