Home / 434,520.20-651,780.30-293,515.40

Finding the Fourth Proportional to 434,520.20, 651,780.30 and 293,515.40

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Solution

The fourth proportional to 434,520.20, 651,780.30 and 293,515.40 is: 440,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,520.20 : 651,780.30 = 293,515.40 : x
  2. Step 2: Convert to fraction form
    434,520.20/651,780.30 = 293,515.40/x
  3. Step 3: Cross multiply
    434,520.20x = 651,780.30 × 293,515.40
  4. Step 4: Simplify right side
    434,520.20x = 191,307,555,466.62
  5. Step 5: Solve for x
    x = 191,307,555,466.62/434,520.20
  6. Step 6: Final answer
    x = 440,273.10

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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.