Home / 672,144.83-927,548.18-366,223.73

Finding the Fourth Proportional to 672,144.83, 927,548.18 and 366,223.73

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Solution

The fourth proportional to 672,144.83, 927,548.18 and 366,223.73 is: 505,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,144.83 : 927,548.18 = 366,223.73 : x
  2. Step 2: Convert to fraction form
    672,144.83/927,548.18 = 366,223.73/x
  3. Step 3: Cross multiply
    672,144.83x = 927,548.18 × 366,223.73
  4. Step 4: Simplify right side
    672,144.83x = 339,690,150,512.13
  5. Step 5: Solve for x
    x = 339,690,150,512.13/672,144.83
  6. Step 6: Final answer
    x = 505,382.37

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Half scale
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Double scale
Find fourth proportional to 672,145.83, 927,549.56 and 366,224.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.