Home / 897,156.69-1,344,626.90-769,902.45

Finding the Fourth Proportional to 897,156.69, 1,344,626.90 and 769,902.45

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Solution

The fourth proportional to 897,156.69, 1,344,626.90 and 769,902.45 is: 1,153,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,156.69 : 1,344,626.90 = 769,902.45 : x
  2. Step 2: Convert to fraction form
    897,156.69/1,344,626.90 = 769,902.45/x
  3. Step 3: Cross multiply
    897,156.69x = 1,344,626.90 × 769,902.45
  4. Step 4: Simplify right side
    897,156.69x = 1,035,231,534,073.26
  5. Step 5: Solve for x
    x = 1,035,231,534,073.26/897,156.69
  6. Step 6: Final answer
    x = 1,153,902.71

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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.