Home / 497,716.95-686,829.61-293,833.55

Finding the Fourth Proportional to 497,716.95, 686,829.61 and 293,833.55

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Solution

The fourth proportional to 497,716.95, 686,829.61 and 293,833.55 is: 405,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,716.95 : 686,829.61 = 293,833.55 : x
  2. Step 2: Convert to fraction form
    497,716.95/686,829.61 = 293,833.55/x
  3. Step 3: Cross multiply
    497,716.95x = 686,829.61 × 293,833.55
  4. Step 4: Simplify right side
    497,716.95x = 201,813,578,382.68
  5. Step 5: Solve for x
    x = 201,813,578,382.68/497,716.95
  6. Step 6: Final answer
    x = 405,478.61

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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.