Home / 805,937.96-1,112,159.26-443,338.80

Finding the Fourth Proportional to 805,937.96, 1,112,159.26 and 443,338.80

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Solution

The fourth proportional to 805,937.96, 1,112,159.26 and 443,338.80 is: 611,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,937.96 : 1,112,159.26 = 443,338.80 : x
  2. Step 2: Convert to fraction form
    805,937.96/1,112,159.26 = 443,338.80/x
  3. Step 3: Cross multiply
    805,937.96x = 1,112,159.26 × 443,338.80
  4. Step 4: Simplify right side
    805,937.96x = 493,063,351,737.29
  5. Step 5: Solve for x
    x = 493,063,351,737.29/805,937.96
  6. Step 6: Final answer
    x = 611,788.22

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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.