Home / 385,665.03-532,219.82-213,588.63

Finding the Fourth Proportional to 385,665.03, 532,219.82 and 213,588.63

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Solution

The fourth proportional to 385,665.03, 532,219.82 and 213,588.63 is: 294,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,665.03 : 532,219.82 = 213,588.63 : x
  2. Step 2: Convert to fraction form
    385,665.03/532,219.82 = 213,588.63/x
  3. Step 3: Cross multiply
    385,665.03x = 532,219.82 × 213,588.63
  4. Step 4: Simplify right side
    385,665.03x = 113,676,101,144.70
  5. Step 5: Solve for x
    x = 113,676,101,144.70/385,665.03
  6. Step 6: Final answer
    x = 294,753.46

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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.