Home / 535,950.76-739,584.16-318,168.44

Finding the Fourth Proportional to 535,950.76, 739,584.16 and 318,168.44

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Solution

The fourth proportional to 535,950.76, 739,584.16 and 318,168.44 is: 439,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,950.76 : 739,584.16 = 318,168.44 : x
  2. Step 2: Convert to fraction form
    535,950.76/739,584.16 = 318,168.44/x
  3. Step 3: Cross multiply
    535,950.76x = 739,584.16 × 318,168.44
  4. Step 4: Simplify right side
    535,950.76x = 235,312,338,435.91
  5. Step 5: Solve for x
    x = 235,312,338,435.91/535,950.76
  6. Step 6: Final answer
    x = 439,055.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.