Home / 454,528.20-680,480.10-277,381.20

Finding the Fourth Proportional to 454,528.20, 680,480.10 and 277,381.20

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Solution

The fourth proportional to 454,528.20, 680,480.10 and 277,381.20 is: 415,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,528.20 : 680,480.10 = 277,381.20 : x
  2. Step 2: Convert to fraction form
    454,528.20/680,480.10 = 277,381.20/x
  3. Step 3: Cross multiply
    454,528.20x = 680,480.10 × 277,381.20
  4. Step 4: Simplify right side
    454,528.20x = 188,752,386,714.12
  5. Step 5: Solve for x
    x = 188,752,386,714.12/454,528.20
  6. Step 6: Final answer
    x = 415,271.01

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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.