Home / 927,776.38-1,280,331.59-565,200.13

Finding the Fourth Proportional to 927,776.38, 1,280,331.59 and 565,200.13

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Solution

The fourth proportional to 927,776.38, 1,280,331.59 and 565,200.13 is: 779,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,776.38 : 1,280,331.59 = 565,200.13 : x
  2. Step 2: Convert to fraction form
    927,776.38/1,280,331.59 = 565,200.13/x
  3. Step 3: Cross multiply
    927,776.38x = 1,280,331.59 × 565,200.13
  4. Step 4: Simplify right side
    927,776.38x = 723,643,571,883.45
  5. Step 5: Solve for x
    x = 723,643,571,883.45/927,776.38
  6. Step 6: Final answer
    x = 779,976.29

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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.