Home / 463,210.20-694,815.30-456,211.80

Finding the Fourth Proportional to 463,210.20, 694,815.30 and 456,211.80

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Solution

The fourth proportional to 463,210.20, 694,815.30 and 456,211.80 is: 684,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,210.20 : 694,815.30 = 456,211.80 : x
  2. Step 2: Convert to fraction form
    463,210.20/694,815.30 = 456,211.80/x
  3. Step 3: Cross multiply
    463,210.20x = 694,815.30 × 456,211.80
  4. Step 4: Simplify right side
    463,210.20x = 316,982,938,680.54
  5. Step 5: Solve for x
    x = 316,982,938,680.54/463,210.20
  6. Step 6: Final answer
    x = 684,317.70

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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.