Home / 497,260.47-686,301.75-293,361.30

Finding the Fourth Proportional to 497,260.47, 686,301.75 and 293,361.30

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Solution

The fourth proportional to 497,260.47, 686,301.75 and 293,361.30 is: 404,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,260.47 : 686,301.75 = 293,361.30 : x
  2. Step 2: Convert to fraction form
    497,260.47/686,301.75 = 293,361.30/x
  3. Step 3: Cross multiply
    497,260.47x = 686,301.75 × 293,361.30
  4. Step 4: Simplify right side
    497,260.47x = 201,334,373,572.28
  5. Step 5: Solve for x
    x = 201,334,373,572.28/497,260.47
  6. Step 6: Final answer
    x = 404,887.15

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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.