Home / 540,579.38-746,117.97-314,355.38

Finding the Fourth Proportional to 540,579.38, 746,117.97 and 314,355.38

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Solution

The fourth proportional to 540,579.38, 746,117.97 and 314,355.38 is: 433,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,579.38 : 746,117.97 = 314,355.38 : x
  2. Step 2: Convert to fraction form
    540,579.38/746,117.97 = 314,355.38/x
  3. Step 3: Cross multiply
    540,579.38x = 746,117.97 × 314,355.38
  4. Step 4: Simplify right side
    540,579.38x = 234,546,197,984.18
  5. Step 5: Solve for x
    x = 234,546,197,984.18/540,579.38
  6. Step 6: Final answer
    x = 433,879.29

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Double scale
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Similar ratio
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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.