Home / 638,384.40-957,539.72-233,849.56

Finding the Fourth Proportional to 638,384.40, 957,539.72 and 233,849.56

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Solution

The fourth proportional to 638,384.40, 957,539.72 and 233,849.56 is: 350,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,384.40 : 957,539.72 = 233,849.56 : x
  2. Step 2: Convert to fraction form
    638,384.40/957,539.72 = 233,849.56/x
  3. Step 3: Cross multiply
    638,384.40x = 957,539.72 × 233,849.56
  4. Step 4: Simplify right side
    638,384.40x = 223,920,242,204.52
  5. Step 5: Solve for x
    x = 223,920,242,204.52/638,384.40
  6. Step 6: Final answer
    x = 350,760.83

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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.