Home / 674,391.40-1,012,154.64-337,330.96

Finding the Fourth Proportional to 674,391.40, 1,012,154.64 and 337,330.96

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Solution

The fourth proportional to 674,391.40, 1,012,154.64 and 337,330.96 is: 506,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,391.40 : 1,012,154.64 = 337,330.96 : x
  2. Step 2: Convert to fraction form
    674,391.40/1,012,154.64 = 337,330.96/x
  3. Step 3: Cross multiply
    674,391.40x = 1,012,154.64 × 337,330.96
  4. Step 4: Simplify right side
    674,391.40x = 341,431,096,379.65
  5. Step 5: Solve for x
    x = 341,431,096,379.65/674,391.40
  6. Step 6: Final answer
    x = 506,280.32

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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.