Home / 1,192,909.41-1,645,672.55-709,200.09

Finding the Fourth Proportional to 1,192,909.41, 1,645,672.55 and 709,200.09

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Solution

The fourth proportional to 1,192,909.41, 1,645,672.55 and 709,200.09 is: 978,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,909.41 : 1,645,672.55 = 709,200.09 : x
  2. Step 2: Convert to fraction form
    1,192,909.41/1,645,672.55 = 709,200.09/x
  3. Step 3: Cross multiply
    1,192,909.41x = 1,645,672.55 × 709,200.09
  4. Step 4: Simplify right side
    1,192,909.41x = 1,167,111,117,024.53
  5. Step 5: Solve for x
    x = 1,167,111,117,024.53/1,192,909.41
  6. Step 6: Final answer
    x = 978,373.64

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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.