Home / 785,189.20-1,083,479.72-441,063.76

Finding the Fourth Proportional to 785,189.20, 1,083,479.72 and 441,063.76

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Solution

The fourth proportional to 785,189.20, 1,083,479.72 and 441,063.76 is: 608,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,189.20 : 1,083,479.72 = 441,063.76 : x
  2. Step 2: Convert to fraction form
    785,189.20/1,083,479.72 = 441,063.76/x
  3. Step 3: Cross multiply
    785,189.20x = 1,083,479.72 × 441,063.76
  4. Step 4: Simplify right side
    785,189.20x = 477,883,639,186.95
  5. Step 5: Solve for x
    x = 477,883,639,186.95/785,189.20
  6. Step 6: Final answer
    x = 608,622.28

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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.