Home / 923,273.10-1,274,329.40-541,422.90

Finding the Fourth Proportional to 923,273.10, 1,274,329.40 and 541,422.90

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Solution

The fourth proportional to 923,273.10, 1,274,329.40 and 541,422.90 is: 747,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,273.10 : 1,274,329.40 = 541,422.90 : x
  2. Step 2: Convert to fraction form
    923,273.10/1,274,329.40 = 541,422.90/x
  3. Step 3: Cross multiply
    923,273.10x = 1,274,329.40 × 541,422.90
  4. Step 4: Simplify right side
    923,273.10x = 689,951,119,303.26
  5. Step 5: Solve for x
    x = 689,951,119,303.26/923,273.10
  6. Step 6: Final answer
    x = 747,288.23

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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.