Home / 1,258,538.22-1,736,809.56-685,577.16

Finding the Fourth Proportional to 1,258,538.22, 1,736,809.56 and 685,577.16

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Solution

The fourth proportional to 1,258,538.22, 1,736,809.56 and 685,577.16 is: 946,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,538.22 : 1,736,809.56 = 685,577.16 : x
  2. Step 2: Convert to fraction form
    1,258,538.22/1,736,809.56 = 685,577.16/x
  3. Step 3: Cross multiply
    1,258,538.22x = 1,736,809.56 × 685,577.16
  4. Step 4: Simplify right side
    1,258,538.22x = 1,190,716,965,605.65
  5. Step 5: Solve for x
    x = 1,190,716,965,605.65/1,258,538.22
  6. Step 6: Final answer
    x = 946,111.09

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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.