Home / 960,010.32-1,324,805.76-530,320.32

Finding the Fourth Proportional to 960,010.32, 1,324,805.76 and 530,320.32

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Solution

The fourth proportional to 960,010.32, 1,324,805.76 and 530,320.32 is: 731,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,010.32 : 1,324,805.76 = 530,320.32 : x
  2. Step 2: Convert to fraction form
    960,010.32/1,324,805.76 = 530,320.32/x
  3. Step 3: Cross multiply
    960,010.32x = 1,324,805.76 × 530,320.32
  4. Step 4: Simplify right side
    960,010.32x = 702,571,414,581.04
  5. Step 5: Solve for x
    x = 702,571,414,581.04/960,010.32
  6. Step 6: Final answer
    x = 731,837.36

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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.