Home / 998,737.74-1,378,282.47-606,275.34

Finding the Fourth Proportional to 998,737.74, 1,378,282.47 and 606,275.34

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Solution

The fourth proportional to 998,737.74, 1,378,282.47 and 606,275.34 is: 836,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,737.74 : 1,378,282.47 = 606,275.34 : x
  2. Step 2: Convert to fraction form
    998,737.74/1,378,282.47 = 606,275.34/x
  3. Step 3: Cross multiply
    998,737.74x = 1,378,282.47 × 606,275.34
  4. Step 4: Simplify right side
    998,737.74x = 835,618,673,115.29
  5. Step 5: Solve for x
    x = 835,618,673,115.29/998,737.74
  6. Step 6: Final answer
    x = 836,674.77

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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.