Home / 1,761,806.20-2,642,883.72-563,427.40

Finding the Fourth Proportional to 1,761,806.20, 2,642,883.72 and 563,427.40

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Solution

The fourth proportional to 1,761,806.20, 2,642,883.72 and 563,427.40 is: 845,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,806.20 : 2,642,883.72 = 563,427.40 : x
  2. Step 2: Convert to fraction form
    1,761,806.20/2,642,883.72 = 563,427.40/x
  3. Step 3: Cross multiply
    1,761,806.20x = 2,642,883.72 × 563,427.40
  4. Step 4: Simplify right side
    1,761,806.20x = 1,489,073,102,861.93
  5. Step 5: Solve for x
    x = 1,489,073,102,861.93/1,761,806.20
  6. Step 6: Final answer
    x = 845,196.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.