Home / 738,048.40-1,107,072.60-264,562.90

Finding the Fourth Proportional to 738,048.40, 1,107,072.60 and 264,562.90

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Solution

The fourth proportional to 738,048.40, 1,107,072.60 and 264,562.90 is: 396,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,048.40 : 1,107,072.60 = 264,562.90 : x
  2. Step 2: Convert to fraction form
    738,048.40/1,107,072.60 = 264,562.90/x
  3. Step 3: Cross multiply
    738,048.40x = 1,107,072.60 × 264,562.90
  4. Step 4: Simplify right side
    738,048.40x = 292,890,337,566.54
  5. Step 5: Solve for x
    x = 292,890,337,566.54/738,048.40
  6. Step 6: Final answer
    x = 396,844.35

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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.