Home / 616,136.09-923,378.02-479,524.16

Finding the Fourth Proportional to 616,136.09, 923,378.02 and 479,524.16

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Solution

The fourth proportional to 616,136.09, 923,378.02 and 479,524.16 is: 718,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,136.09 : 923,378.02 = 479,524.16 : x
  2. Step 2: Convert to fraction form
    616,136.09/923,378.02 = 479,524.16/x
  3. Step 3: Cross multiply
    616,136.09x = 923,378.02 × 479,524.16
  4. Step 4: Simplify right side
    616,136.09x = 442,782,064,786.07
  5. Step 5: Solve for x
    x = 442,782,064,786.07/616,136.09
  6. Step 6: Final answer
    x = 718,643.29

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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.