Home / 372,969.20-558,141.60-341,476.40

Finding the Fourth Proportional to 372,969.20, 558,141.60 and 341,476.40

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Solution

The fourth proportional to 372,969.20, 558,141.60 and 341,476.40 is: 511,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,969.20 : 558,141.60 = 341,476.40 : x
  2. Step 2: Convert to fraction form
    372,969.20/558,141.60 = 341,476.40/x
  3. Step 3: Cross multiply
    372,969.20x = 558,141.60 × 341,476.40
  4. Step 4: Simplify right side
    372,969.20x = 190,592,184,258.24
  5. Step 5: Solve for x
    x = 190,592,184,258.24/372,969.20
  6. Step 6: Final answer
    x = 511,013.20

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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.