Home / 736,761.65-1,016,720.91-414,471.65

Finding the Fourth Proportional to 736,761.65, 1,016,720.91 and 414,471.65

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Solution

The fourth proportional to 736,761.65, 1,016,720.91 and 414,471.65 is: 571,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,761.65 : 1,016,720.91 = 414,471.65 : x
  2. Step 2: Convert to fraction form
    736,761.65/1,016,720.91 = 414,471.65/x
  3. Step 3: Cross multiply
    736,761.65x = 1,016,720.91 × 414,471.65
  4. Step 4: Simplify right side
    736,761.65x = 421,401,988,073.60
  5. Step 5: Solve for x
    x = 421,401,988,073.60/736,761.65
  6. Step 6: Final answer
    x = 571,965.15

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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.