Home / 1,250,143.36-1,725,206.13-677,183.54

Finding the Fourth Proportional to 1,250,143.36, 1,725,206.13 and 677,183.54

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Solution

The fourth proportional to 1,250,143.36, 1,725,206.13 and 677,183.54 is: 934,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,143.36 : 1,725,206.13 = 677,183.54 : x
  2. Step 2: Convert to fraction form
    1,250,143.36/1,725,206.13 = 677,183.54/x
  3. Step 3: Cross multiply
    1,250,143.36x = 1,725,206.13 × 677,183.54
  4. Step 4: Simplify right side
    1,250,143.36x = 1,168,281,185,717.07
  5. Step 5: Solve for x
    x = 1,168,281,185,717.07/1,250,143.36
  6. Step 6: Final answer
    x = 934,517.77

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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.