Home / 1,127,114.70-1,690,672.05-655,014.30

Finding the Fourth Proportional to 1,127,114.70, 1,690,672.05 and 655,014.30

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Solution

The fourth proportional to 1,127,114.70, 1,690,672.05 and 655,014.30 is: 982,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,114.70 : 1,690,672.05 = 655,014.30 : x
  2. Step 2: Convert to fraction form
    1,127,114.70/1,690,672.05 = 655,014.30/x
  3. Step 3: Cross multiply
    1,127,114.70x = 1,690,672.05 × 655,014.30
  4. Step 4: Simplify right side
    1,127,114.70x = 1,107,414,369,360.32
  5. Step 5: Solve for x
    x = 1,107,414,369,360.32/1,127,114.70
  6. Step 6: Final answer
    x = 982,521.45

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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.