Home / 677,934.96-936,788.16-493,853.16

Finding the Fourth Proportional to 677,934.96, 936,788.16 and 493,853.16

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Solution

The fourth proportional to 677,934.96, 936,788.16 and 493,853.16 is: 682,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,934.96 : 936,788.16 = 493,853.16 : x
  2. Step 2: Convert to fraction form
    677,934.96/936,788.16 = 493,853.16/x
  3. Step 3: Cross multiply
    677,934.96x = 936,788.16 × 493,853.16
  4. Step 4: Simplify right side
    677,934.96x = 462,635,793,066.59
  5. Step 5: Solve for x
    x = 462,635,793,066.59/677,934.96
  6. Step 6: Final answer
    x = 682,419.14

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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.