Home / 1,296,124.65-1,944,186.98-658,395.45

Finding the Fourth Proportional to 1,296,124.65, 1,944,186.98 and 658,395.45

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Solution

The fourth proportional to 1,296,124.65, 1,944,186.98 and 658,395.45 is: 987,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,124.65 : 1,944,186.98 = 658,395.45 : x
  2. Step 2: Convert to fraction form
    1,296,124.65/1,944,186.98 = 658,395.45/x
  3. Step 3: Cross multiply
    1,296,124.65x = 1,944,186.98 × 658,395.45
  4. Step 4: Simplify right side
    1,296,124.65x = 1,280,043,858,289.26
  5. Step 5: Solve for x
    x = 1,280,043,858,289.26/1,296,124.65
  6. Step 6: Final answer
    x = 987,593.18

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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.