Home / 805,891.81-1,112,133.26-443,343.24

Finding the Fourth Proportional to 805,891.81, 1,112,133.26 and 443,343.24

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Solution

The fourth proportional to 805,891.81, 1,112,133.26 and 443,343.24 is: 611,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,891.81 : 1,112,133.26 = 443,343.24 : x
  2. Step 2: Convert to fraction form
    805,891.81/1,112,133.26 = 443,343.24/x
  3. Step 3: Cross multiply
    805,891.81x = 1,112,133.26 × 443,343.24
  4. Step 4: Simplify right side
    805,891.81x = 493,056,762,800.16
  5. Step 5: Solve for x
    x = 493,056,762,800.16/805,891.81
  6. Step 6: Final answer
    x = 611,815.08

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Double scale
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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.