Home / 805,614.12-1,111,776.76-461,516.56

Finding the Fourth Proportional to 805,614.12, 1,111,776.76 and 461,516.56

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Solution

The fourth proportional to 805,614.12, 1,111,776.76 and 461,516.56 is: 636,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,614.12 : 1,111,776.76 = 461,516.56 : x
  2. Step 2: Convert to fraction form
    805,614.12/1,111,776.76 = 461,516.56/x
  3. Step 3: Cross multiply
    805,614.12x = 1,111,776.76 × 461,516.56
  4. Step 4: Simplify right side
    805,614.12x = 513,103,384,609.35
  5. Step 5: Solve for x
    x = 513,103,384,609.35/805,614.12
  6. Step 6: Final answer
    x = 636,909.62

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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.