Home / 885,960.84-1,221,973.26-668,178.60

Finding the Fourth Proportional to 885,960.84, 1,221,973.26 and 668,178.60

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Solution

The fourth proportional to 885,960.84, 1,221,973.26 and 668,178.60 is: 921,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,960.84 : 1,221,973.26 = 668,178.60 : x
  2. Step 2: Convert to fraction form
    885,960.84/1,221,973.26 = 668,178.60/x
  3. Step 3: Cross multiply
    885,960.84x = 1,221,973.26 × 668,178.60
  4. Step 4: Simplify right side
    885,960.84x = 816,496,382,104.24
  5. Step 5: Solve for x
    x = 816,496,382,104.24/885,960.84
  6. Step 6: Final answer
    x = 921,594.21

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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.