Home / 998,318.16-1,377,658.80-545,612.40

Finding the Fourth Proportional to 998,318.16, 1,377,658.80 and 545,612.40

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Solution

The fourth proportional to 998,318.16, 1,377,658.80 and 545,612.40 is: 752,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,318.16 : 1,377,658.80 = 545,612.40 : x
  2. Step 2: Convert to fraction form
    998,318.16/1,377,658.80 = 545,612.40/x
  3. Step 3: Cross multiply
    998,318.16x = 1,377,658.80 × 545,612.40
  4. Step 4: Simplify right side
    998,318.16x = 751,667,724,249.12
  5. Step 5: Solve for x
    x = 751,667,724,249.12/998,318.16
  6. Step 6: Final answer
    x = 752,934.04

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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.