Home / 638,165.34-957,414.06-238,837.50

Finding the Fourth Proportional to 638,165.34, 957,414.06 and 238,837.50

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Solution

The fourth proportional to 638,165.34, 957,414.06 and 238,837.50 is: 358,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,165.34 : 957,414.06 = 238,837.50 : x
  2. Step 2: Convert to fraction form
    638,165.34/957,414.06 = 238,837.50/x
  3. Step 3: Cross multiply
    638,165.34x = 957,414.06 × 238,837.50
  4. Step 4: Simplify right side
    638,165.34x = 228,666,380,555.25
  5. Step 5: Solve for x
    x = 228,666,380,555.25/638,165.34
  6. Step 6: Final answer
    x = 358,318.40

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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.