Home / 1,239,100.28-1,709,987.87-695,276.30

Finding the Fourth Proportional to 1,239,100.28, 1,709,987.87 and 695,276.30

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Solution

The fourth proportional to 1,239,100.28, 1,709,987.87 and 695,276.30 is: 959,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,100.28 : 1,709,987.87 = 695,276.30 : x
  2. Step 2: Convert to fraction form
    1,239,100.28/1,709,987.87 = 695,276.30/x
  3. Step 3: Cross multiply
    1,239,100.28x = 1,709,987.87 × 695,276.30
  4. Step 4: Simplify right side
    1,239,100.28x = 1,188,914,039,298.48
  5. Step 5: Solve for x
    x = 1,188,914,039,298.48/1,239,100.28
  6. Step 6: Final answer
    x = 959,497.84

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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.