Home / 1,377,087.44-1,900,400.45-756,950.05

Finding the Fourth Proportional to 1,377,087.44, 1,900,400.45 and 756,950.05

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Solution

The fourth proportional to 1,377,087.44, 1,900,400.45 and 756,950.05 is: 1,044,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,087.44 : 1,900,400.45 = 756,950.05 : x
  2. Step 2: Convert to fraction form
    1,377,087.44/1,900,400.45 = 756,950.05/x
  3. Step 3: Cross multiply
    1,377,087.44x = 1,900,400.45 × 756,950.05
  4. Step 4: Simplify right side
    1,377,087.44x = 1,438,508,207,111.77
  5. Step 5: Solve for x
    x = 1,438,508,207,111.77/1,377,087.44
  6. Step 6: Final answer
    x = 1,044,601.94

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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.