Home / 398,623.86-597,933.33-145,921.92

Finding the Fourth Proportional to 398,623.86, 597,933.33 and 145,921.92

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Solution

The fourth proportional to 398,623.86, 597,933.33 and 145,921.92 is: 218,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,623.86 : 597,933.33 = 145,921.92 : x
  2. Step 2: Convert to fraction form
    398,623.86/597,933.33 = 145,921.92/x
  3. Step 3: Cross multiply
    398,623.86x = 597,933.33 × 145,921.92
  4. Step 4: Simplify right side
    398,623.86x = 87,251,579,545.59
  5. Step 5: Solve for x
    x = 87,251,579,545.59/398,623.86
  6. Step 6: Final answer
    x = 218,881.98

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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.