Home / 676,760.06-933,928.89-404,839.42

Finding the Fourth Proportional to 676,760.06, 933,928.89 and 404,839.42

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Solution

The fourth proportional to 676,760.06, 933,928.89 and 404,839.42 is: 558,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,760.06 : 933,928.89 = 404,839.42 : x
  2. Step 2: Convert to fraction form
    676,760.06/933,928.89 = 404,839.42/x
  3. Step 3: Cross multiply
    676,760.06x = 933,928.89 × 404,839.42
  4. Step 4: Simplify right side
    676,760.06x = 378,091,226,295.87
  5. Step 5: Solve for x
    x = 378,091,226,295.87/676,760.06
  6. Step 6: Final answer
    x = 558,678.40

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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.