Home / 950,462.22-1,311,637.89-520,758.66

Finding the Fourth Proportional to 950,462.22, 1,311,637.89 and 520,758.66

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Solution

The fourth proportional to 950,462.22, 1,311,637.89 and 520,758.66 is: 718,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,462.22 : 1,311,637.89 = 520,758.66 : x
  2. Step 2: Convert to fraction form
    950,462.22/1,311,637.89 = 520,758.66/x
  3. Step 3: Cross multiply
    950,462.22x = 1,311,637.89 × 520,758.66
  4. Step 4: Simplify right side
    950,462.22x = 683,046,790,001.63
  5. Step 5: Solve for x
    x = 683,046,790,001.63/950,462.22
  6. Step 6: Final answer
    x = 718,646.97

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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.