Home / 1,485,779.70-2,050,384.17-806,716.20

Finding the Fourth Proportional to 1,485,779.70, 2,050,384.17 and 806,716.20

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Solution

The fourth proportional to 1,485,779.70, 2,050,384.17 and 806,716.20 is: 1,113,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,779.70 : 2,050,384.17 = 806,716.20 : x
  2. Step 2: Convert to fraction form
    1,485,779.70/2,050,384.17 = 806,716.20/x
  3. Step 3: Cross multiply
    1,485,779.70x = 2,050,384.17 × 806,716.20
  4. Step 4: Simplify right side
    1,485,779.70x = 1,654,078,126,162.55
  5. Step 5: Solve for x
    x = 1,654,078,126,162.55/1,485,779.70
  6. Step 6: Final answer
    x = 1,113,272.80

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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.