Home / 916,193.43-1,264,363.64-502,751.53

Finding the Fourth Proportional to 916,193.43, 1,264,363.64 and 502,751.53

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Solution

The fourth proportional to 916,193.43, 1,264,363.64 and 502,751.53 is: 693,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,193.43 : 1,264,363.64 = 502,751.53 : x
  2. Step 2: Convert to fraction form
    916,193.43/1,264,363.64 = 502,751.53/x
  3. Step 3: Cross multiply
    916,193.43x = 1,264,363.64 × 502,751.53
  4. Step 4: Simplify right side
    916,193.43x = 635,660,760,637.04
  5. Step 5: Solve for x
    x = 635,660,760,637.04/916,193.43
  6. Step 6: Final answer
    x = 693,806.29

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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.