Home / 1,091,794.40-1,636,136.40-805,248.80

Finding the Fourth Proportional to 1,091,794.40, 1,636,136.40 and 805,248.80

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Solution

The fourth proportional to 1,091,794.40, 1,636,136.40 and 805,248.80 is: 1,206,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,794.40 : 1,636,136.40 = 805,248.80 : x
  2. Step 2: Convert to fraction form
    1,091,794.40/1,636,136.40 = 805,248.80/x
  3. Step 3: Cross multiply
    1,091,794.40x = 1,636,136.40 × 805,248.80
  4. Step 4: Simplify right side
    1,091,794.40x = 1,317,496,872,736.32
  5. Step 5: Solve for x
    x = 1,317,496,872,736.32/1,091,794.40
  6. Step 6: Final answer
    x = 1,206,726.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.