Home / 806,036.84-1,112,330.78-443,452.91

Finding the Fourth Proportional to 806,036.84, 1,112,330.78 and 443,452.91

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Solution

The fourth proportional to 806,036.84, 1,112,330.78 and 443,452.91 is: 611,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,036.84 : 1,112,330.78 = 443,452.91 : x
  2. Step 2: Convert to fraction form
    806,036.84/1,112,330.78 = 443,452.91/x
  3. Step 3: Cross multiply
    806,036.84x = 1,112,330.78 × 443,452.91
  4. Step 4: Simplify right side
    806,036.84x = 493,266,321,414.46
  5. Step 5: Solve for x
    x = 493,266,321,414.46/806,036.84
  6. Step 6: Final answer
    x = 611,964.98

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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.