Home / 372,110.40-558,165.60-355,003.20

Finding the Fourth Proportional to 372,110.40, 558,165.60 and 355,003.20

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Solution

The fourth proportional to 372,110.40, 558,165.60 and 355,003.20 is: 532,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.40 : 558,165.60 = 355,003.20 : x
  2. Step 2: Convert to fraction form
    372,110.40/558,165.60 = 355,003.20/x
  3. Step 3: Cross multiply
    372,110.40x = 558,165.60 × 355,003.20
  4. Step 4: Simplify right side
    372,110.40x = 198,150,574,129.92
  5. Step 5: Solve for x
    x = 198,150,574,129.92/372,110.40
  6. Step 6: Final answer
    x = 532,504.80

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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.