Home / 619,565.68-929,403.86-193,105.12

Finding the Fourth Proportional to 619,565.68, 929,403.86 and 193,105.12

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Solution

The fourth proportional to 619,565.68, 929,403.86 and 193,105.12 is: 289,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,565.68 : 929,403.86 = 193,105.12 : x
  2. Step 2: Convert to fraction form
    619,565.68/929,403.86 = 193,105.12/x
  3. Step 3: Cross multiply
    619,565.68x = 929,403.86 × 193,105.12
  4. Step 4: Simplify right side
    619,565.68x = 179,472,643,913.76
  5. Step 5: Solve for x
    x = 179,472,643,913.76/619,565.68
  6. Step 6: Final answer
    x = 289,674.93

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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.