Home / 418,733.80-627,890.46-193,900.84

Finding the Fourth Proportional to 418,733.80, 627,890.46 and 193,900.84

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Solution

The fourth proportional to 418,733.80, 627,890.46 and 193,900.84 is: 290,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,733.80 : 627,890.46 = 193,900.84 : x
  2. Step 2: Convert to fraction form
    418,733.80/627,890.46 = 193,900.84/x
  3. Step 3: Cross multiply
    418,733.80x = 627,890.46 × 193,900.84
  4. Step 4: Simplify right side
    418,733.80x = 121,748,487,621.99
  5. Step 5: Solve for x
    x = 121,748,487,621.99/418,733.80
  6. Step 6: Final answer
    x = 290,753.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.