Home / 610,514.12-842,453.83-338,581.18

Finding the Fourth Proportional to 610,514.12, 842,453.83 and 338,581.18

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Solution

The fourth proportional to 610,514.12, 842,453.83 and 338,581.18 is: 467,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,514.12 : 842,453.83 = 338,581.18 : x
  2. Step 2: Convert to fraction form
    610,514.12/842,453.83 = 338,581.18/x
  3. Step 3: Cross multiply
    610,514.12x = 842,453.83 × 338,581.18
  4. Step 4: Simplify right side
    610,514.12x = 285,239,011,856.92
  5. Step 5: Solve for x
    x = 285,239,011,856.92/610,514.12
  6. Step 6: Final answer
    x = 467,211.16

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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.