Home / 385,837.70-532,443.66-213,748.62

Finding the Fourth Proportional to 385,837.70, 532,443.66 and 213,748.62

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Solution

The fourth proportional to 385,837.70, 532,443.66 and 213,748.62 is: 294,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,837.70 : 532,443.66 = 213,748.62 : x
  2. Step 2: Convert to fraction form
    385,837.70/532,443.66 = 213,748.62/x
  3. Step 3: Cross multiply
    385,837.70x = 532,443.66 × 213,748.62
  4. Step 4: Simplify right side
    385,837.70x = 113,809,097,552.75
  5. Step 5: Solve for x
    x = 113,809,097,552.75/385,837.70
  6. Step 6: Final answer
    x = 294,966.25

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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.