Home / 752,487.71-1,038,364.31-446,511.42

Finding the Fourth Proportional to 752,487.71, 1,038,364.31 and 446,511.42

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Solution

The fourth proportional to 752,487.71, 1,038,364.31 and 446,511.42 is: 616,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,487.71 : 1,038,364.31 = 446,511.42 : x
  2. Step 2: Convert to fraction form
    752,487.71/1,038,364.31 = 446,511.42/x
  3. Step 3: Cross multiply
    752,487.71x = 1,038,364.31 × 446,511.42
  4. Step 4: Simplify right side
    752,487.71x = 463,641,523,651.70
  5. Step 5: Solve for x
    x = 463,641,523,651.70/752,487.71
  6. Step 6: Final answer
    x = 616,144.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.