Home / 905,548.36-1,358,321.10-240,700.36

Finding the Fourth Proportional to 905,548.36, 1,358,321.10 and 240,700.36

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Solution

The fourth proportional to 905,548.36, 1,358,321.10 and 240,700.36 is: 361,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,548.36 : 1,358,321.10 = 240,700.36 : x
  2. Step 2: Convert to fraction form
    905,548.36/1,358,321.10 = 240,700.36/x
  3. Step 3: Cross multiply
    905,548.36x = 1,358,321.10 × 240,700.36
  4. Step 4: Simplify right side
    905,548.36x = 326,948,377,765.60
  5. Step 5: Solve for x
    x = 326,948,377,765.60/905,548.36
  6. Step 6: Final answer
    x = 361,050.16

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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.