Home / 805,119.66-1,111,062.60-442,566.12

Finding the Fourth Proportional to 805,119.66, 1,111,062.60 and 442,566.12

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Solution

The fourth proportional to 805,119.66, 1,111,062.60 and 442,566.12 is: 610,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,119.66 : 1,111,062.60 = 442,566.12 : x
  2. Step 2: Convert to fraction form
    805,119.66/1,111,062.60 = 442,566.12/x
  3. Step 3: Cross multiply
    805,119.66x = 1,111,062.60 × 442,566.12
  4. Step 4: Simplify right side
    805,119.66x = 491,718,663,959.11
  5. Step 5: Solve for x
    x = 491,718,663,959.11/805,119.66
  6. Step 6: Final answer
    x = 610,739.85

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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.