Home / 921,950.91-1,272,198.96-514,014.12

Finding the Fourth Proportional to 921,950.91, 1,272,198.96 and 514,014.12

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Solution

The fourth proportional to 921,950.91, 1,272,198.96 and 514,014.12 is: 709,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,950.91 : 1,272,198.96 = 514,014.12 : x
  2. Step 2: Convert to fraction form
    921,950.91/1,272,198.96 = 514,014.12/x
  3. Step 3: Cross multiply
    921,950.91x = 1,272,198.96 × 514,014.12
  4. Step 4: Simplify right side
    921,950.91x = 653,928,228,889.32
  5. Step 5: Solve for x
    x = 653,928,228,889.32/921,950.91
  6. Step 6: Final answer
    x = 709,287.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.