Home / 1,073,136.24-1,479,448.28-856,081.62

Finding the Fourth Proportional to 1,073,136.24, 1,479,448.28 and 856,081.62

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Solution

The fourth proportional to 1,073,136.24, 1,479,448.28 and 856,081.62 is: 1,180,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,136.24 : 1,479,448.28 = 856,081.62 : x
  2. Step 2: Convert to fraction form
    1,073,136.24/1,479,448.28 = 856,081.62/x
  3. Step 3: Cross multiply
    1,073,136.24x = 1,479,448.28 × 856,081.62
  4. Step 4: Simplify right side
    1,073,136.24x = 1,266,528,480,248.61
  5. Step 5: Solve for x
    x = 1,266,528,480,248.61/1,073,136.24
  6. Step 6: Final answer
    x = 1,180,212.20

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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.