Home / 434,626.20-651,939.30-293,621.40

Finding the Fourth Proportional to 434,626.20, 651,939.30 and 293,621.40

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Solution

The fourth proportional to 434,626.20, 651,939.30 and 293,621.40 is: 440,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,626.20 : 651,939.30 = 293,621.40 : x
  2. Step 2: Convert to fraction form
    434,626.20/651,939.30 = 293,621.40/x
  3. Step 3: Cross multiply
    434,626.20x = 651,939.30 × 293,621.40
  4. Step 4: Simplify right side
    434,626.20x = 191,423,329,981.02
  5. Step 5: Solve for x
    x = 191,423,329,981.02/434,626.20
  6. Step 6: Final answer
    x = 440,432.10

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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.