Home / 674,462.40-1,011,751.20-231,230.40

Finding the Fourth Proportional to 674,462.40, 1,011,751.20 and 231,230.40

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Solution

The fourth proportional to 674,462.40, 1,011,751.20 and 231,230.40 is: 346,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,462.40 : 1,011,751.20 = 231,230.40 : x
  2. Step 2: Convert to fraction form
    674,462.40/1,011,751.20 = 231,230.40/x
  3. Step 3: Cross multiply
    674,462.40x = 1,011,751.20 × 231,230.40
  4. Step 4: Simplify right side
    674,462.40x = 233,947,634,676.48
  5. Step 5: Solve for x
    x = 233,947,634,676.48/674,462.40
  6. Step 6: Final answer
    x = 346,865.35

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Half scale
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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.