Home / 542,945.04-749,238.88-301,225.04

Finding the Fourth Proportional to 542,945.04, 749,238.88 and 301,225.04

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Solution

The fourth proportional to 542,945.04, 749,238.88 and 301,225.04 is: 415,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,945.04 : 749,238.88 = 301,225.04 : x
  2. Step 2: Convert to fraction form
    542,945.04/749,238.88 = 301,225.04/x
  3. Step 3: Cross multiply
    542,945.04x = 749,238.88 × 301,225.04
  4. Step 4: Simplify right side
    542,945.04x = 225,689,511,597.56
  5. Step 5: Solve for x
    x = 225,689,511,597.56/542,945.04
  6. Step 6: Final answer
    x = 415,676.53

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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.