Home / 1,289,876.30-1,934,858.14-343,247.93

Finding the Fourth Proportional to 1,289,876.30, 1,934,858.14 and 343,247.93

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Solution

The fourth proportional to 1,289,876.30, 1,934,858.14 and 343,247.93 is: 514,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,876.30 : 1,934,858.14 = 343,247.93 : x
  2. Step 2: Convert to fraction form
    1,289,876.30/1,934,858.14 = 343,247.93/x
  3. Step 3: Cross multiply
    1,289,876.30x = 1,934,858.14 × 343,247.93
  4. Step 4: Simplify right side
    1,289,876.30x = 664,136,051,398.65
  5. Step 5: Solve for x
    x = 664,136,051,398.65/1,289,876.30
  6. Step 6: Final answer
    x = 514,883.52

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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.