Home / 527,942.85-728,506.56-324,002.35

Finding the Fourth Proportional to 527,942.85, 728,506.56 and 324,002.35

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Solution

The fourth proportional to 527,942.85, 728,506.56 and 324,002.35 is: 447,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,942.85 : 728,506.56 = 324,002.35 : x
  2. Step 2: Convert to fraction form
    527,942.85/728,506.56 = 324,002.35/x
  3. Step 3: Cross multiply
    527,942.85x = 728,506.56 × 324,002.35
  4. Step 4: Simplify right side
    527,942.85x = 236,037,837,430.42
  5. Step 5: Solve for x
    x = 236,037,837,430.42/527,942.85
  6. Step 6: Final answer
    x = 447,089.75

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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.