Home / 353,341.41-487,566.87-238,869.15

Finding the Fourth Proportional to 353,341.41, 487,566.87 and 238,869.15

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Solution

The fourth proportional to 353,341.41, 487,566.87 and 238,869.15 is: 329,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,341.41 : 487,566.87 = 238,869.15 : x
  2. Step 2: Convert to fraction form
    353,341.41/487,566.87 = 238,869.15/x
  3. Step 3: Cross multiply
    353,341.41x = 487,566.87 × 238,869.15
  4. Step 4: Simplify right side
    353,341.41x = 116,464,683,805.06
  5. Step 5: Solve for x
    x = 116,464,683,805.06/353,341.41
  6. Step 6: Final answer
    x = 329,609.50

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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.