Home / 1,402,131-1,934,940.78-798,575.16

Finding the Fourth Proportional to 1,402,131, 1,934,940.78 and 798,575.16

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Solution

The fourth proportional to 1,402,131, 1,934,940.78 and 798,575.16 is: 1,102,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,131 : 1,934,940.78 = 798,575.16 : x
  2. Step 2: Convert to fraction form
    1,402,131/1,934,940.78 = 798,575.16/x
  3. Step 3: Cross multiply
    1,402,131x = 1,934,940.78 × 798,575.16
  4. Step 4: Simplify right side
    1,402,131x = 1,545,195,642,979.03
  5. Step 5: Solve for x
    x = 1,545,195,642,979.03/1,402,131
  6. Step 6: Final answer
    x = 1,102,033.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.