Home / 1,277,648.43-1,763,092.54-761,390.51

Finding the Fourth Proportional to 1,277,648.43, 1,763,092.54 and 761,390.51

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Solution

The fourth proportional to 1,277,648.43, 1,763,092.54 and 761,390.51 is: 1,050,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,648.43 : 1,763,092.54 = 761,390.51 : x
  2. Step 2: Convert to fraction form
    1,277,648.43/1,763,092.54 = 761,390.51/x
  3. Step 3: Cross multiply
    1,277,648.43x = 1,763,092.54 × 761,390.51
  4. Step 4: Simplify right side
    1,277,648.43x = 1,342,401,920,344.07
  5. Step 5: Solve for x
    x = 1,342,401,920,344.07/1,277,648.43
  6. Step 6: Final answer
    x = 1,050,681.78

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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.