Home / 385,609.56-532,140.86-213,527.52

Finding the Fourth Proportional to 385,609.56, 532,140.86 and 213,527.52

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Solution

The fourth proportional to 385,609.56, 532,140.86 and 213,527.52 is: 294,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,609.56 : 532,140.86 = 213,527.52 : x
  2. Step 2: Convert to fraction form
    385,609.56/532,140.86 = 213,527.52/x
  3. Step 3: Cross multiply
    385,609.56x = 532,140.86 × 213,527.52
  4. Step 4: Simplify right side
    385,609.56x = 113,626,715,962.55
  5. Step 5: Solve for x
    x = 113,626,715,962.55/385,609.56
  6. Step 6: Final answer
    x = 294,667.79

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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.