Home / 785,086.53-1,083,338.35-440,959.95

Finding the Fourth Proportional to 785,086.53, 1,083,338.35 and 440,959.95

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Solution

The fourth proportional to 785,086.53, 1,083,338.35 and 440,959.95 is: 608,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,086.53 : 1,083,338.35 = 440,959.95 : x
  2. Step 2: Convert to fraction form
    785,086.53/1,083,338.35 = 440,959.95/x
  3. Step 3: Cross multiply
    785,086.53x = 1,083,338.35 × 440,959.95
  4. Step 4: Simplify right side
    785,086.53x = 477,708,823,546.68
  5. Step 5: Solve for x
    x = 477,708,823,546.68/785,086.53
  6. Step 6: Final answer
    x = 608,479.20

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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.