Home / 1,877,926.77-2,816,919.32-458,009.73

Finding the Fourth Proportional to 1,877,926.77, 2,816,919.32 and 458,009.73

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Solution

The fourth proportional to 1,877,926.77, 2,816,919.32 and 458,009.73 is: 687,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,926.77 : 2,816,919.32 = 458,009.73 : x
  2. Step 2: Convert to fraction form
    1,877,926.77/2,816,919.32 = 458,009.73/x
  3. Step 3: Cross multiply
    1,877,926.77x = 2,816,919.32 × 458,009.73
  4. Step 4: Simplify right side
    1,877,926.77x = 1,290,176,454,894.93
  5. Step 5: Solve for x
    x = 1,290,176,454,894.93/1,877,926.77
  6. Step 6: Final answer
    x = 687,021.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.