Home / 1,258,580.60-1,736,832.70-685,621.16

Finding the Fourth Proportional to 1,258,580.60, 1,736,832.70 and 685,621.16

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Solution

The fourth proportional to 1,258,580.60, 1,736,832.70 and 685,621.16 is: 946,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,580.60 : 1,736,832.70 = 685,621.16 : x
  2. Step 2: Convert to fraction form
    1,258,580.60/1,736,832.70 = 685,621.16/x
  3. Step 3: Cross multiply
    1,258,580.60x = 1,736,832.70 × 685,621.16
  4. Step 4: Simplify right side
    1,258,580.60x = 1,190,809,250,499.93
  5. Step 5: Solve for x
    x = 1,190,809,250,499.93/1,258,580.60
  6. Step 6: Final answer
    x = 946,152.56

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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.