Home / 372,123.20-558,184.80-352,877.60

Finding the Fourth Proportional to 372,123.20, 558,184.80 and 352,877.60

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Solution

The fourth proportional to 372,123.20, 558,184.80 and 352,877.60 is: 529,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,123.20 : 558,184.80 = 352,877.60 : x
  2. Step 2: Convert to fraction form
    372,123.20/558,184.80 = 352,877.60/x
  3. Step 3: Cross multiply
    372,123.20x = 558,184.80 × 352,877.60
  4. Step 4: Simplify right side
    372,123.20x = 196,970,912,580.48
  5. Step 5: Solve for x
    x = 196,970,912,580.48/372,123.20
  6. Step 6: Final answer
    x = 529,316.40

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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.