Home / 1,258,477.54-1,736,690.08-685,517.70

Finding the Fourth Proportional to 1,258,477.54, 1,736,690.08 and 685,517.70

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Solution

The fourth proportional to 1,258,477.54, 1,736,690.08 and 685,517.70 is: 946,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,477.54 : 1,736,690.08 = 685,517.70 : x
  2. Step 2: Convert to fraction form
    1,258,477.54/1,736,690.08 = 685,517.70/x
  3. Step 3: Cross multiply
    1,258,477.54x = 1,736,690.08 × 685,517.70
  4. Step 4: Simplify right side
    1,258,477.54x = 1,190,531,789,254.42
  5. Step 5: Solve for x
    x = 1,190,531,789,254.42/1,258,477.54
  6. Step 6: Final answer
    x = 946,009.56

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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.