Home / 927,747.48-1,280,296.44-519,850.20

Finding the Fourth Proportional to 927,747.48, 1,280,296.44 and 519,850.20

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Solution

The fourth proportional to 927,747.48, 1,280,296.44 and 519,850.20 is: 717,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,747.48 : 1,280,296.44 = 519,850.20 : x
  2. Step 2: Convert to fraction form
    927,747.48/1,280,296.44 = 519,850.20/x
  3. Step 3: Cross multiply
    927,747.48x = 1,280,296.44 × 519,850.20
  4. Step 4: Simplify right side
    927,747.48x = 665,562,360,393.29
  5. Step 5: Solve for x
    x = 665,562,360,393.29/927,747.48
  6. Step 6: Final answer
    x = 717,396.03

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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.