Home / 672,329.12-927,814.17-370,523.12

Finding the Fourth Proportional to 672,329.12, 927,814.17 and 370,523.12

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Solution

The fourth proportional to 672,329.12, 927,814.17 and 370,523.12 is: 511,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,329.12 : 927,814.17 = 370,523.12 : x
  2. Step 2: Convert to fraction form
    672,329.12/927,814.17 = 370,523.12/x
  3. Step 3: Cross multiply
    672,329.12x = 927,814.17 × 370,523.12
  4. Step 4: Simplify right side
    672,329.12x = 343,776,597,799.00
  5. Step 5: Solve for x
    x = 343,776,597,799.00/672,329.12
  6. Step 6: Final answer
    x = 511,321.90

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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.