Home / 1,008,036.50-1,512,083.92-260,082.50

Finding the Fourth Proportional to 1,008,036.50, 1,512,083.92 and 260,082.50

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Solution

The fourth proportional to 1,008,036.50, 1,512,083.92 and 260,082.50 is: 390,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,036.50 : 1,512,083.92 = 260,082.50 : x
  2. Step 2: Convert to fraction form
    1,008,036.50/1,512,083.92 = 260,082.50/x
  3. Step 3: Cross multiply
    1,008,036.50x = 1,512,083.92 × 260,082.50
  4. Step 4: Simplify right side
    1,008,036.50x = 393,266,566,123.40
  5. Step 5: Solve for x
    x = 393,266,566,123.40/1,008,036.50
  6. Step 6: Final answer
    x = 390,131.28

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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.