Home / 923,228.90-1,274,268.45-541,378.70

Finding the Fourth Proportional to 923,228.90, 1,274,268.45 and 541,378.70

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Solution

The fourth proportional to 923,228.90, 1,274,268.45 and 541,378.70 is: 747,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,228.90 : 1,274,268.45 = 541,378.70 : x
  2. Step 2: Convert to fraction form
    923,228.90/1,274,268.45 = 541,378.70/x
  3. Step 3: Cross multiply
    923,228.90x = 1,274,268.45 × 541,378.70
  4. Step 4: Simplify right side
    923,228.90x = 689,861,792,242.84
  5. Step 5: Solve for x
    x = 689,861,792,242.84/923,228.90
  6. Step 6: Final answer
    x = 747,227.25

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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.