Home / 805,936.34-1,112,157.01-443,337.20

Finding the Fourth Proportional to 805,936.34, 1,112,157.01 and 443,337.20

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Solution

The fourth proportional to 805,936.34, 1,112,157.01 and 443,337.20 is: 611,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,936.34 : 1,112,157.01 = 443,337.20 : x
  2. Step 2: Convert to fraction form
    805,936.34/1,112,157.01 = 443,337.20/x
  3. Step 3: Cross multiply
    805,936.34x = 1,112,157.01 × 443,337.20
  4. Step 4: Simplify right side
    805,936.34x = 493,060,566,996.30
  5. Step 5: Solve for x
    x = 493,060,566,996.30/805,936.34
  6. Step 6: Final answer
    x = 611,786.00

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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.