Home / 1,168,888.92-1,613,335.32-685,609.80

Finding the Fourth Proportional to 1,168,888.92, 1,613,335.32 and 685,609.80

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Solution

The fourth proportional to 1,168,888.92, 1,613,335.32 and 685,609.80 is: 946,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,888.92 : 1,613,335.32 = 685,609.80 : x
  2. Step 2: Convert to fraction form
    1,168,888.92/1,613,335.32 = 685,609.80/x
  3. Step 3: Cross multiply
    1,168,888.92x = 1,613,335.32 × 685,609.80
  4. Step 4: Simplify right side
    1,168,888.92x = 1,106,118,506,078.14
  5. Step 5: Solve for x
    x = 1,106,118,506,078.14/1,168,888.92
  6. Step 6: Final answer
    x = 946,299.08

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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.