Home / 738,923.60-1,108,501.56-240,170.96

Finding the Fourth Proportional to 738,923.60, 1,108,501.56 and 240,170.96

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Solution

The fourth proportional to 738,923.60, 1,108,501.56 and 240,170.96 is: 360,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,923.60 : 1,108,501.56 = 240,170.96 : x
  2. Step 2: Convert to fraction form
    738,923.60/1,108,501.56 = 240,170.96/x
  3. Step 3: Cross multiply
    738,923.60x = 1,108,501.56 × 240,170.96
  4. Step 4: Simplify right side
    738,923.60x = 266,229,883,826.70
  5. Step 5: Solve for x
    x = 266,229,883,826.70/738,923.60
  6. Step 6: Final answer
    x = 360,294.20

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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.