Home / 805,937.71-1,112,158.90-443,338.57

Finding the Fourth Proportional to 805,937.71, 1,112,158.90 and 443,338.57

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Solution

The fourth proportional to 805,937.71, 1,112,158.90 and 443,338.57 is: 611,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,937.71 : 1,112,158.90 = 443,338.57 : x
  2. Step 2: Convert to fraction form
    805,937.71/1,112,158.90 = 443,338.57/x
  3. Step 3: Cross multiply
    805,937.71x = 1,112,158.90 × 443,338.57
  4. Step 4: Simplify right side
    805,937.71x = 493,062,936,338.77
  5. Step 5: Solve for x
    x = 493,062,936,338.77/805,937.71
  6. Step 6: Final answer
    x = 611,787.90

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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.