Home / 903,514.15-1,246,640.43-540,800.20

Finding the Fourth Proportional to 903,514.15, 1,246,640.43 and 540,800.20

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Solution

The fourth proportional to 903,514.15, 1,246,640.43 and 540,800.20 is: 746,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,514.15 : 1,246,640.43 = 540,800.20 : x
  2. Step 2: Convert to fraction form
    903,514.15/1,246,640.43 = 540,800.20/x
  3. Step 3: Cross multiply
    903,514.15x = 1,246,640.43 × 540,800.20
  4. Step 4: Simplify right side
    903,514.15x = 674,183,393,872.09
  5. Step 5: Solve for x
    x = 674,183,393,872.09/903,514.15
  6. Step 6: Final answer
    x = 746,179.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.