Home / 849,713.29-1,172,630.75-462,554.49

Finding the Fourth Proportional to 849,713.29, 1,172,630.75 and 462,554.49

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Solution

The fourth proportional to 849,713.29, 1,172,630.75 and 462,554.49 is: 638,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,713.29 : 1,172,630.75 = 462,554.49 : x
  2. Step 2: Convert to fraction form
    849,713.29/1,172,630.75 = 462,554.49/x
  3. Step 3: Cross multiply
    849,713.29x = 1,172,630.75 × 462,554.49
  4. Step 4: Simplify right side
    849,713.29x = 542,405,613,665.04
  5. Step 5: Solve for x
    x = 542,405,613,665.04/849,713.29
  6. Step 6: Final answer
    x = 638,339.57

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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.