Home / 434,410.20-651,615.30-404,885.70

Finding the Fourth Proportional to 434,410.20, 651,615.30 and 404,885.70

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Solution

The fourth proportional to 434,410.20, 651,615.30 and 404,885.70 is: 607,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,410.20 : 651,615.30 = 404,885.70 : x
  2. Step 2: Convert to fraction form
    434,410.20/651,615.30 = 404,885.70/x
  3. Step 3: Cross multiply
    434,410.20x = 651,615.30 × 404,885.70
  4. Step 4: Simplify right side
    434,410.20x = 263,829,716,871.21
  5. Step 5: Solve for x
    x = 263,829,716,871.21/434,410.20
  6. Step 6: Final answer
    x = 607,328.55

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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.