Home / 410,140.20-614,634.30-326,044.20

Finding the Fourth Proportional to 410,140.20, 614,634.30 and 326,044.20

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Solution

The fourth proportional to 410,140.20, 614,634.30 and 326,044.20 is: 488,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,140.20 : 614,634.30 = 326,044.20 : x
  2. Step 2: Convert to fraction form
    410,140.20/614,634.30 = 326,044.20/x
  3. Step 3: Cross multiply
    410,140.20x = 614,634.30 × 326,044.20
  4. Step 4: Simplify right side
    410,140.20x = 200,397,948,636.06
  5. Step 5: Solve for x
    x = 200,397,948,636.06/410,140.20
  6. Step 6: Final answer
    x = 488,608.40

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1.5x scale

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.