Home / 805,955.86-1,112,175.15-443,321.17

Finding the Fourth Proportional to 805,955.86, 1,112,175.15 and 443,321.17

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Solution

The fourth proportional to 805,955.86, 1,112,175.15 and 443,321.17 is: 611,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,955.86 : 1,112,175.15 = 443,321.17 : x
  2. Step 2: Convert to fraction form
    805,955.86/1,112,175.15 = 443,321.17/x
  3. Step 3: Cross multiply
    805,955.86x = 1,112,175.15 × 443,321.17
  4. Step 4: Simplify right side
    805,955.86x = 493,050,788,742.93
  5. Step 5: Solve for x
    x = 493,050,788,742.93/805,955.86
  6. Step 6: Final answer
    x = 611,759.05

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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.