Home / 1,182,312.39-1,766,990.24-863,136.39

Finding the Fourth Proportional to 1,182,312.39, 1,766,990.24 and 863,136.39

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Solution

The fourth proportional to 1,182,312.39, 1,766,990.24 and 863,136.39 is: 1,289,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,312.39 : 1,766,990.24 = 863,136.39 : x
  2. Step 2: Convert to fraction form
    1,182,312.39/1,766,990.24 = 863,136.39/x
  3. Step 3: Cross multiply
    1,182,312.39x = 1,766,990.24 × 863,136.39
  4. Step 4: Simplify right side
    1,182,312.39x = 1,525,153,576,918.83
  5. Step 5: Solve for x
    x = 1,525,153,576,918.83/1,182,312.39
  6. Step 6: Final answer
    x = 1,289,975.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.