Home / 1,297,656.70-1,777,760.03-1,249,139.43

Finding the Fourth Proportional to 1,297,656.70, 1,777,760.03 and 1,249,139.43

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Solution

The fourth proportional to 1,297,656.70, 1,777,760.03 and 1,249,139.43 is: 1,711,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,656.70 : 1,777,760.03 = 1,249,139.43 : x
  2. Step 2: Convert to fraction form
    1,297,656.70/1,777,760.03 = 1,249,139.43/x
  3. Step 3: Cross multiply
    1,297,656.70x = 1,777,760.03 × 1,249,139.43
  4. Step 4: Simplify right side
    1,297,656.70x = 2,220,670,153,673.83
  5. Step 5: Solve for x
    x = 2,220,670,153,673.83/1,297,656.70
  6. Step 6: Final answer
    x = 1,711,292.48

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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.