Home / 535,209.19-802,613.75-215,253.06

Finding the Fourth Proportional to 535,209.19, 802,613.75 and 215,253.06

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Solution

The fourth proportional to 535,209.19, 802,613.75 and 215,253.06 is: 322,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,209.19 : 802,613.75 = 215,253.06 : x
  2. Step 2: Convert to fraction form
    535,209.19/802,613.75 = 215,253.06/x
  3. Step 3: Cross multiply
    535,209.19x = 802,613.75 × 215,253.06
  4. Step 4: Simplify right side
    535,209.19x = 172,765,065,685.58
  5. Step 5: Solve for x
    x = 172,765,065,685.58/535,209.19
  6. Step 6: Final answer
    x = 322,799.14

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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.