Home / 1,297,657.33-1,777,761-1,249,140.15

Finding the Fourth Proportional to 1,297,657.33, 1,777,761 and 1,249,140.15

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Solution

The fourth proportional to 1,297,657.33, 1,777,761 and 1,249,140.15 is: 1,711,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,657.33 : 1,777,761 = 1,249,140.15 : x
  2. Step 2: Convert to fraction form
    1,297,657.33/1,777,761 = 1,249,140.15/x
  3. Step 3: Cross multiply
    1,297,657.33x = 1,777,761 × 1,249,140.15
  4. Step 4: Simplify right side
    1,297,657.33x = 2,220,672,642,204.15
  5. Step 5: Solve for x
    x = 2,220,672,642,204.15/1,297,657.33
  6. Step 6: Final answer
    x = 1,711,293.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.