Home / 518,741.01-778,191.98-219,222.86

Finding the Fourth Proportional to 518,741.01, 778,191.98 and 219,222.86

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Solution

The fourth proportional to 518,741.01, 778,191.98 and 219,222.86 is: 328,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,741.01 : 778,191.98 = 219,222.86 : x
  2. Step 2: Convert to fraction form
    518,741.01/778,191.98 = 219,222.86/x
  3. Step 3: Cross multiply
    518,741.01x = 778,191.98 × 219,222.86
  4. Step 4: Simplify right side
    518,741.01x = 170,597,466,497.59
  5. Step 5: Solve for x
    x = 170,597,466,497.59/518,741.01
  6. Step 6: Final answer
    x = 328,868.29

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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.