Home / 1,681,004.07-2,319,739.70-917,057.43

Finding the Fourth Proportional to 1,681,004.07, 2,319,739.70 and 917,057.43

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Solution

The fourth proportional to 1,681,004.07, 2,319,739.70 and 917,057.43 is: 1,265,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,004.07 : 2,319,739.70 = 917,057.43 : x
  2. Step 2: Convert to fraction form
    1,681,004.07/2,319,739.70 = 917,057.43/x
  3. Step 3: Cross multiply
    1,681,004.07x = 2,319,739.70 × 917,057.43
  4. Step 4: Simplify right side
    1,681,004.07x = 2,127,334,522,965.68
  5. Step 5: Solve for x
    x = 2,127,334,522,965.68/1,681,004.07
  6. Step 6: Final answer
    x = 1,265,514.20

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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.