Home / 410,844.60-616,266.90-144,905.40

Finding the Fourth Proportional to 410,844.60, 616,266.90 and 144,905.40

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Solution

The fourth proportional to 410,844.60, 616,266.90 and 144,905.40 is: 217,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,844.60 : 616,266.90 = 144,905.40 : x
  2. Step 2: Convert to fraction form
    410,844.60/616,266.90 = 144,905.40/x
  3. Step 3: Cross multiply
    410,844.60x = 616,266.90 × 144,905.40
  4. Step 4: Simplify right side
    410,844.60x = 89,300,401,651.26
  5. Step 5: Solve for x
    x = 89,300,401,651.26/410,844.60
  6. Step 6: Final answer
    x = 217,358.10

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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.