Home / 578,136.51-867,223.80-199,053.27

Finding the Fourth Proportional to 578,136.51, 867,223.80 and 199,053.27

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Solution

The fourth proportional to 578,136.51, 867,223.80 and 199,053.27 is: 298,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,136.51 : 867,223.80 = 199,053.27 : x
  2. Step 2: Convert to fraction form
    578,136.51/867,223.80 = 199,053.27/x
  3. Step 3: Cross multiply
    578,136.51x = 867,223.80 × 199,053.27
  4. Step 4: Simplify right side
    578,136.51x = 172,623,733,211.83
  5. Step 5: Solve for x
    x = 172,623,733,211.83/578,136.51
  6. Step 6: Final answer
    x = 298,586.46

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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.