Home / 374,943.33-517,419.70-202,860.86

Finding the Fourth Proportional to 374,943.33, 517,419.70 and 202,860.86

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Solution

The fourth proportional to 374,943.33, 517,419.70 and 202,860.86 is: 279,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,943.33 : 517,419.70 = 202,860.86 : x
  2. Step 2: Convert to fraction form
    374,943.33/517,419.70 = 202,860.86/x
  3. Step 3: Cross multiply
    374,943.33x = 517,419.70 × 202,860.86
  4. Step 4: Simplify right side
    374,943.33x = 104,964,202,228.69
  5. Step 5: Solve for x
    x = 104,964,202,228.69/374,943.33
  6. Step 6: Final answer
    x = 279,946.84

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1.5x scale

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.