Home / 923,272.60-1,274,328.71-541,422.40

Finding the Fourth Proportional to 923,272.60, 1,274,328.71 and 541,422.40

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Solution

The fourth proportional to 923,272.60, 1,274,328.71 and 541,422.40 is: 747,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,272.60 : 1,274,328.71 = 541,422.40 : x
  2. Step 2: Convert to fraction form
    923,272.60/1,274,328.71 = 541,422.40/x
  3. Step 3: Cross multiply
    923,272.60x = 1,274,328.71 × 541,422.40
  4. Step 4: Simplify right side
    923,272.60x = 689,950,105,849.99
  5. Step 5: Solve for x
    x = 689,950,105,849.99/923,272.60
  6. Step 6: Final answer
    x = 747,287.54

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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.