Home / 1,668,117.39-2,301,999.39-904,171.16

Finding the Fourth Proportional to 1,668,117.39, 2,301,999.39 and 904,171.16

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Solution

The fourth proportional to 1,668,117.39, 2,301,999.39 and 904,171.16 is: 1,247,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,117.39 : 2,301,999.39 = 904,171.16 : x
  2. Step 2: Convert to fraction form
    1,668,117.39/2,301,999.39 = 904,171.16/x
  3. Step 3: Cross multiply
    1,668,117.39x = 2,301,999.39 × 904,171.16
  4. Step 4: Simplify right side
    1,668,117.39x = 2,081,401,447,265.60
  5. Step 5: Solve for x
    x = 2,081,401,447,265.60/1,668,117.39
  6. Step 6: Final answer
    x = 1,247,754.78

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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.