Home / 410,723.40-616,176.90-144,492.60

Finding the Fourth Proportional to 410,723.40, 616,176.90 and 144,492.60

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Solution

The fourth proportional to 410,723.40, 616,176.90 and 144,492.60 is: 216,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,723.40 : 616,176.90 = 144,492.60 : x
  2. Step 2: Convert to fraction form
    410,723.40/616,176.90 = 144,492.60/x
  3. Step 3: Cross multiply
    410,723.40x = 616,176.90 × 144,492.60
  4. Step 4: Simplify right side
    410,723.40x = 89,033,002,340.94
  5. Step 5: Solve for x
    x = 89,033,002,340.94/410,723.40
  6. Step 6: Final answer
    x = 216,771.20

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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.