Home / 1,258,237.92-1,736,388.04-685,277.60

Finding the Fourth Proportional to 1,258,237.92, 1,736,388.04 and 685,277.60

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Solution

The fourth proportional to 1,258,237.92, 1,736,388.04 and 685,277.60 is: 945,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,237.92 : 1,736,388.04 = 685,277.60 : x
  2. Step 2: Convert to fraction form
    1,258,237.92/1,736,388.04 = 685,277.60/x
  3. Step 3: Cross multiply
    1,258,237.92x = 1,736,388.04 × 685,277.60
  4. Step 4: Simplify right side
    1,258,237.92x = 1,189,907,828,719.90
  5. Step 5: Solve for x
    x = 1,189,907,828,719.90/1,258,237.92
  6. Step 6: Final answer
    x = 945,693.82

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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.