Home / 998,330.56-1,377,693.76-545,624.80

Finding the Fourth Proportional to 998,330.56, 1,377,693.76 and 545,624.80

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Solution

The fourth proportional to 998,330.56, 1,377,693.76 and 545,624.80 is: 752,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,330.56 : 1,377,693.76 = 545,624.80 : x
  2. Step 2: Convert to fraction form
    998,330.56/1,377,693.76 = 545,624.80/x
  3. Step 3: Cross multiply
    998,330.56x = 1,377,693.76 × 545,624.80
  4. Step 4: Simplify right side
    998,330.56x = 751,703,882,261.25
  5. Step 5: Solve for x
    x = 751,703,882,261.25/998,330.56
  6. Step 6: Final answer
    x = 752,960.91

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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.