Home / 372,101.76-558,433.53-272,520.13

Finding the Fourth Proportional to 372,101.76, 558,433.53 and 272,520.13

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Solution

The fourth proportional to 372,101.76, 558,433.53 and 272,520.13 is: 408,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,101.76 : 558,433.53 = 272,520.13 : x
  2. Step 2: Convert to fraction form
    372,101.76/558,433.53 = 272,520.13/x
  3. Step 3: Cross multiply
    372,101.76x = 558,433.53 × 272,520.13
  4. Step 4: Simplify right side
    372,101.76x = 152,184,378,191.96
  5. Step 5: Solve for x
    x = 152,184,378,191.96/372,101.76
  6. Step 6: Final answer
    x = 408,985.91

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1.5x scale

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.