Home / 1,065,085.77-1,598,422.11-781,509.09

Finding the Fourth Proportional to 1,065,085.77, 1,598,422.11 and 781,509.09

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Solution

The fourth proportional to 1,065,085.77, 1,598,422.11 and 781,509.09 is: 1,172,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,085.77 : 1,598,422.11 = 781,509.09 : x
  2. Step 2: Convert to fraction form
    1,065,085.77/1,598,422.11 = 781,509.09/x
  3. Step 3: Cross multiply
    1,065,085.77x = 1,598,422.11 × 781,509.09
  4. Step 4: Simplify right side
    1,065,085.77x = 1,249,181,408,621.98
  5. Step 5: Solve for x
    x = 1,249,181,408,621.98/1,065,085.77
  6. Step 6: Final answer
    x = 1,172,845.83

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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.