Home / 1,022,600.90-1,534,079.55-423,233.30

Finding the Fourth Proportional to 1,022,600.90, 1,534,079.55 and 423,233.30

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Solution

The fourth proportional to 1,022,600.90, 1,534,079.55 and 423,233.30 is: 634,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,600.90 : 1,534,079.55 = 423,233.30 : x
  2. Step 2: Convert to fraction form
    1,022,600.90/1,534,079.55 = 423,233.30/x
  3. Step 3: Cross multiply
    1,022,600.90x = 1,534,079.55 × 423,233.30
  4. Step 4: Simplify right side
    1,022,600.90x = 649,273,550,409.02
  5. Step 5: Solve for x
    x = 649,273,550,409.02/1,022,600.90
  6. Step 6: Final answer
    x = 634,923.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.