Home / 676,857.44-933,816.16-404,933.20

Finding the Fourth Proportional to 676,857.44, 933,816.16 and 404,933.20

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Solution

The fourth proportional to 676,857.44, 933,816.16 and 404,933.20 is: 558,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,857.44 : 933,816.16 = 404,933.20 : x
  2. Step 2: Convert to fraction form
    676,857.44/933,816.16 = 404,933.20/x
  3. Step 3: Cross multiply
    676,857.44x = 933,816.16 × 404,933.20
  4. Step 4: Simplify right side
    676,857.44x = 378,133,165,880.51
  5. Step 5: Solve for x
    x = 378,133,165,880.51/676,857.44
  6. Step 6: Final answer
    x = 558,659.98

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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.