Home / 626,869.82-940,298.25-153,557.66

Finding the Fourth Proportional to 626,869.82, 940,298.25 and 153,557.66

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Solution

The fourth proportional to 626,869.82, 940,298.25 and 153,557.66 is: 230,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,869.82 : 940,298.25 = 153,557.66 : x
  2. Step 2: Convert to fraction form
    626,869.82/940,298.25 = 153,557.66/x
  3. Step 3: Cross multiply
    626,869.82x = 940,298.25 × 153,557.66
  4. Step 4: Simplify right side
    626,869.82x = 144,389,998,972.10
  5. Step 5: Solve for x
    x = 144,389,998,972.10/626,869.82
  6. Step 6: Final answer
    x = 230,334.90

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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.