Home / 905,209.10-1,357,813.44-231,291.66

Finding the Fourth Proportional to 905,209.10, 1,357,813.44 and 231,291.66

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Solution

The fourth proportional to 905,209.10, 1,357,813.44 and 231,291.66 is: 346,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,209.10 : 1,357,813.44 = 231,291.66 : x
  2. Step 2: Convert to fraction form
    905,209.10/1,357,813.44 = 231,291.66/x
  3. Step 3: Cross multiply
    905,209.10x = 1,357,813.44 × 231,291.66
  4. Step 4: Simplify right side
    905,209.10x = 314,050,924,507.91
  5. Step 5: Solve for x
    x = 314,050,924,507.91/905,209.10
  6. Step 6: Final answer
    x = 346,937.44

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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.