Home / 1,605,681.64-2,215,843.59-880,534.56

Finding the Fourth Proportional to 1,605,681.64, 2,215,843.59 and 880,534.56

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Solution

The fourth proportional to 1,605,681.64, 2,215,843.59 and 880,534.56 is: 1,215,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,681.64 : 2,215,843.59 = 880,534.56 : x
  2. Step 2: Convert to fraction form
    1,605,681.64/2,215,843.59 = 880,534.56/x
  3. Step 3: Cross multiply
    1,605,681.64x = 2,215,843.59 × 880,534.56
  4. Step 4: Simplify right side
    1,605,681.64x = 1,951,126,860,549.47
  5. Step 5: Solve for x
    x = 1,951,126,860,549.47/1,605,681.64
  6. Step 6: Final answer
    x = 1,215,139.30

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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.