Home / 805,102.07-1,110,984.86-442,516.91

Finding the Fourth Proportional to 805,102.07, 1,110,984.86 and 442,516.91

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Solution

The fourth proportional to 805,102.07, 1,110,984.86 and 442,516.91 is: 610,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,102.07 : 1,110,984.86 = 442,516.91 : x
  2. Step 2: Convert to fraction form
    805,102.07/1,110,984.86 = 442,516.91/x
  3. Step 3: Cross multiply
    805,102.07x = 1,110,984.86 × 442,516.91
  4. Step 4: Simplify right side
    805,102.07x = 491,629,582,855.35
  5. Step 5: Solve for x
    x = 491,629,582,855.35/805,102.07
  6. Step 6: Final answer
    x = 610,642.56

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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.