Home / 1,381,440.24-1,906,524-808,446.24

Finding the Fourth Proportional to 1,381,440.24, 1,906,524 and 808,446.24

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Solution

The fourth proportional to 1,381,440.24, 1,906,524 and 808,446.24 is: 1,115,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,440.24 : 1,906,524 = 808,446.24 : x
  2. Step 2: Convert to fraction form
    1,381,440.24/1,906,524 = 808,446.24/x
  3. Step 3: Cross multiply
    1,381,440.24x = 1,906,524 × 808,446.24
  4. Step 4: Simplify right side
    1,381,440.24x = 1,541,322,159,269.76
  5. Step 5: Solve for x
    x = 1,541,322,159,269.76/1,381,440.24
  6. Step 6: Final answer
    x = 1,115,735.68

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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.