Home / 404,729.19-606,988.06-120,343.17

Finding the Fourth Proportional to 404,729.19, 606,988.06 and 120,343.17

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Solution

The fourth proportional to 404,729.19, 606,988.06 and 120,343.17 is: 180,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,729.19 : 606,988.06 = 120,343.17 : x
  2. Step 2: Convert to fraction form
    404,729.19/606,988.06 = 120,343.17/x
  3. Step 3: Cross multiply
    404,729.19x = 606,988.06 × 120,343.17
  4. Step 4: Simplify right side
    404,729.19x = 73,046,867,292.55
  5. Step 5: Solve for x
    x = 73,046,867,292.55/404,729.19
  6. Step 6: Final answer
    x = 180,483.32

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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.