Home / 716,044.33-988,139.75-410,219.72

Finding the Fourth Proportional to 716,044.33, 988,139.75 and 410,219.72

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Solution

The fourth proportional to 716,044.33, 988,139.75 and 410,219.72 is: 566,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,044.33 : 988,139.75 = 410,219.72 : x
  2. Step 2: Convert to fraction form
    716,044.33/988,139.75 = 410,219.72/x
  3. Step 3: Cross multiply
    716,044.33x = 988,139.75 × 410,219.72
  4. Step 4: Simplify right side
    716,044.33x = 405,354,407,650.72
  5. Step 5: Solve for x
    x = 405,354,407,650.72/716,044.33
  6. Step 6: Final answer
    x = 566,102.39

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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.