Home / 805,886.69-1,112,126.19-443,338.11

Finding the Fourth Proportional to 805,886.69, 1,112,126.19 and 443,338.11

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Solution

The fourth proportional to 805,886.69, 1,112,126.19 and 443,338.11 is: 611,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,886.69 : 1,112,126.19 = 443,338.11 : x
  2. Step 2: Convert to fraction form
    805,886.69/1,112,126.19 = 443,338.11/x
  3. Step 3: Cross multiply
    805,886.69x = 1,112,126.19 × 443,338.11
  4. Step 4: Simplify right side
    805,886.69x = 493,047,921,493.58
  5. Step 5: Solve for x
    x = 493,047,921,493.58/805,886.69
  6. Step 6: Final answer
    x = 611,808.00

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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.