Home / 739,361.76-1,108,926.96-240,722.40

Finding the Fourth Proportional to 739,361.76, 1,108,926.96 and 240,722.40

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Solution

The fourth proportional to 739,361.76, 1,108,926.96 and 240,722.40 is: 361,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,361.76 : 1,108,926.96 = 240,722.40 : x
  2. Step 2: Convert to fraction form
    739,361.76/1,108,926.96 = 240,722.40/x
  3. Step 3: Cross multiply
    739,361.76x = 1,108,926.96 × 240,722.40
  4. Step 4: Simplify right side
    739,361.76x = 266,943,559,235.90
  5. Step 5: Solve for x
    x = 266,943,559,235.90/739,361.76
  6. Step 6: Final answer
    x = 361,045.94

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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.