Home / 638,444.23-957,686.39-239,008.73

Finding the Fourth Proportional to 638,444.23, 957,686.39 and 239,008.73

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Solution

The fourth proportional to 638,444.23, 957,686.39 and 239,008.73 is: 358,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,444.23 : 957,686.39 = 239,008.73 : x
  2. Step 2: Convert to fraction form
    638,444.23/957,686.39 = 239,008.73/x
  3. Step 3: Cross multiply
    638,444.23x = 957,686.39 × 239,008.73
  4. Step 4: Simplify right side
    638,444.23x = 228,895,402,724.99
  5. Step 5: Solve for x
    x = 228,895,402,724.99/638,444.23
  6. Step 6: Final answer
    x = 358,520.59

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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.