Home / 805,996.68-1,112,275.41-443,412.75

Finding the Fourth Proportional to 805,996.68, 1,112,275.41 and 443,412.75

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Solution

The fourth proportional to 805,996.68, 1,112,275.41 and 443,412.75 is: 611,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,996.68 : 1,112,275.41 = 443,412.75 : x
  2. Step 2: Convert to fraction form
    805,996.68/1,112,275.41 = 443,412.75/x
  3. Step 3: Cross multiply
    805,996.68x = 1,112,275.41 × 443,412.75
  4. Step 4: Simplify right side
    805,996.68x = 493,197,100,813.71
  5. Step 5: Solve for x
    x = 493,197,100,813.71/805,996.68
  6. Step 6: Final answer
    x = 611,909.60

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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.