Home / 1,297,675.40-1,777,785.60-1,249,158.12

Finding the Fourth Proportional to 1,297,675.40, 1,777,785.60 and 1,249,158.12

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Solution

The fourth proportional to 1,297,675.40, 1,777,785.60 and 1,249,158.12 is: 1,711,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,675.40 : 1,777,785.60 = 1,249,158.12 : x
  2. Step 2: Convert to fraction form
    1,297,675.40/1,777,785.60 = 1,249,158.12/x
  3. Step 3: Cross multiply
    1,297,675.40x = 1,777,785.60 × 1,249,158.12
  4. Step 4: Simplify right side
    1,297,675.40x = 2,220,735,317,859.07
  5. Step 5: Solve for x
    x = 2,220,735,317,859.07/1,297,675.40
  6. Step 6: Final answer
    x = 1,711,318.04

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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.