Home / 1,038,512.30-1,557,768.45-683,926.70

Finding the Fourth Proportional to 1,038,512.30, 1,557,768.45 and 683,926.70

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Solution

The fourth proportional to 1,038,512.30, 1,557,768.45 and 683,926.70 is: 1,025,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,512.30 : 1,557,768.45 = 683,926.70 : x
  2. Step 2: Convert to fraction form
    1,038,512.30/1,557,768.45 = 683,926.70/x
  3. Step 3: Cross multiply
    1,038,512.30x = 1,557,768.45 × 683,926.70
  4. Step 4: Simplify right side
    1,038,512.30x = 1,065,399,435,372.61
  5. Step 5: Solve for x
    x = 1,065,399,435,372.61/1,038,512.30
  6. Step 6: Final answer
    x = 1,025,890.05

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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.