Home / 1,115,578.44-1,539,510.12-606,280.80

Finding the Fourth Proportional to 1,115,578.44, 1,539,510.12 and 606,280.80

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Solution

The fourth proportional to 1,115,578.44, 1,539,510.12 and 606,280.80 is: 836,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,578.44 : 1,539,510.12 = 606,280.80 : x
  2. Step 2: Convert to fraction form
    1,115,578.44/1,539,510.12 = 606,280.80/x
  3. Step 3: Cross multiply
    1,115,578.44x = 1,539,510.12 × 606,280.80
  4. Step 4: Simplify right side
    1,115,578.44x = 933,375,427,161.70
  5. Step 5: Solve for x
    x = 933,375,427,161.70/1,115,578.44
  6. Step 6: Final answer
    x = 836,673.96

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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.