Home / 1,038,439.85-1,557,647.25-269,869.47

Finding the Fourth Proportional to 1,038,439.85, 1,557,647.25 and 269,869.47

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Solution

The fourth proportional to 1,038,439.85, 1,557,647.25 and 269,869.47 is: 404,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,439.85 : 1,557,647.25 = 269,869.47 : x
  2. Step 2: Convert to fraction form
    1,038,439.85/1,557,647.25 = 269,869.47/x
  3. Step 3: Cross multiply
    1,038,439.85x = 1,557,647.25 × 269,869.47
  4. Step 4: Simplify right side
    1,038,439.85x = 420,361,430,951.27
  5. Step 5: Solve for x
    x = 420,361,430,951.27/1,038,439.85
  6. Step 6: Final answer
    x = 404,800.94

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1.5x scale

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.