Home / 886,536.72-1,329,991.92-287,451.18

Finding the Fourth Proportional to 886,536.72, 1,329,991.92 and 287,451.18

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Solution

The fourth proportional to 886,536.72, 1,329,991.92 and 287,451.18 is: 431,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,536.72 : 1,329,991.92 = 287,451.18 : x
  2. Step 2: Convert to fraction form
    886,536.72/1,329,991.92 = 287,451.18/x
  3. Step 3: Cross multiply
    886,536.72x = 1,329,991.92 × 287,451.18
  4. Step 4: Simplify right side
    886,536.72x = 382,307,746,794.47
  5. Step 5: Solve for x
    x = 382,307,746,794.47/886,536.72
  6. Step 6: Final answer
    x = 431,237.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.