Home / 401,895.54-554,363.55-238,436.34

Finding the Fourth Proportional to 401,895.54, 554,363.55 and 238,436.34

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Solution

The fourth proportional to 401,895.54, 554,363.55 and 238,436.34 is: 328,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,895.54 : 554,363.55 = 238,436.34 : x
  2. Step 2: Convert to fraction form
    401,895.54/554,363.55 = 238,436.34/x
  3. Step 3: Cross multiply
    401,895.54x = 554,363.55 × 238,436.34
  4. Step 4: Simplify right side
    401,895.54x = 132,180,415,891.41
  5. Step 5: Solve for x
    x = 132,180,415,891.41/401,895.54
  6. Step 6: Final answer
    x = 328,892.47

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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.