Home / 676,857.48-933,816.12-404,933.16

Finding the Fourth Proportional to 676,857.48, 933,816.12 and 404,933.16

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Solution

The fourth proportional to 676,857.48, 933,816.12 and 404,933.16 is: 558,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,857.48 : 933,816.12 = 404,933.16 : x
  2. Step 2: Convert to fraction form
    676,857.48/933,816.12 = 404,933.16/x
  3. Step 3: Cross multiply
    676,857.48x = 933,816.12 × 404,933.16
  4. Step 4: Simplify right side
    676,857.48x = 378,133,112,330.54
  5. Step 5: Solve for x
    x = 378,133,112,330.54/676,857.48
  6. Step 6: Final answer
    x = 558,659.87

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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.