Home / 3,438,217.80-5,157,326.70-914,128.20

Finding the Fourth Proportional to 3,438,217.80, 5,157,326.70 and 914,128.20

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Solution

The fourth proportional to 3,438,217.80, 5,157,326.70 and 914,128.20 is: 1,371,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,217.80 : 5,157,326.70 = 914,128.20 : x
  2. Step 2: Convert to fraction form
    3,438,217.80/5,157,326.70 = 914,128.20/x
  3. Step 3: Cross multiply
    3,438,217.80x = 5,157,326.70 × 914,128.20
  4. Step 4: Simplify right side
    3,438,217.80x = 4,714,457,773,082.94
  5. Step 5: Solve for x
    x = 4,714,457,773,082.94/3,438,217.80
  6. Step 6: Final answer
    x = 1,371,192.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.