Home / 612,421.27-918,572.55-185,960.85

Finding the Fourth Proportional to 612,421.27, 918,572.55 and 185,960.85

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Solution

The fourth proportional to 612,421.27, 918,572.55 and 185,960.85 is: 278,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,421.27 : 918,572.55 = 185,960.85 : x
  2. Step 2: Convert to fraction form
    612,421.27/918,572.55 = 185,960.85/x
  3. Step 3: Cross multiply
    612,421.27x = 918,572.55 × 185,960.85
  4. Step 4: Simplify right side
    612,421.27x = 170,818,527,819.78
  5. Step 5: Solve for x
    x = 170,818,527,819.78/612,421.27
  6. Step 6: Final answer
    x = 278,923.24

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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.