Home / 923,272.10-1,274,328.02-541,421.90

Finding the Fourth Proportional to 923,272.10, 1,274,328.02 and 541,421.90

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Solution

The fourth proportional to 923,272.10, 1,274,328.02 and 541,421.90 is: 747,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,272.10 : 1,274,328.02 = 541,421.90 : x
  2. Step 2: Convert to fraction form
    923,272.10/1,274,328.02 = 541,421.90/x
  3. Step 3: Cross multiply
    923,272.10x = 1,274,328.02 × 541,421.90
  4. Step 4: Simplify right side
    923,272.10x = 689,949,095,104.53
  5. Step 5: Solve for x
    x = 689,949,095,104.53/923,272.10
  6. Step 6: Final answer
    x = 747,286.85

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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.