Home / 372,917.28-558,931.68-214,818.24

Finding the Fourth Proportional to 372,917.28, 558,931.68 and 214,818.24

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Solution

The fourth proportional to 372,917.28, 558,931.68 and 214,818.24 is: 321,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,917.28 : 558,931.68 = 214,818.24 : x
  2. Step 2: Convert to fraction form
    372,917.28/558,931.68 = 214,818.24/x
  3. Step 3: Cross multiply
    372,917.28x = 558,931.68 × 214,818.24
  4. Step 4: Simplify right side
    372,917.28x = 120,068,719,777.84
  5. Step 5: Solve for x
    x = 120,068,719,777.84/372,917.28
  6. Step 6: Final answer
    x = 321,971.46

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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.