Home / 638,167.34-957,417.06-238,839.50

Finding the Fourth Proportional to 638,167.34, 957,417.06 and 238,839.50

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Solution

The fourth proportional to 638,167.34, 957,417.06 and 238,839.50 is: 358,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,167.34 : 957,417.06 = 238,839.50 : x
  2. Step 2: Convert to fraction form
    638,167.34/957,417.06 = 238,839.50/x
  3. Step 3: Cross multiply
    638,167.34x = 957,417.06 × 238,839.50
  4. Step 4: Simplify right side
    638,167.34x = 228,669,011,901.87
  5. Step 5: Solve for x
    x = 228,669,011,901.87/638,167.34
  6. Step 6: Final answer
    x = 358,321.40

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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.