Home / 1,577,064.90-2,176,351.52-851,912.63

Finding the Fourth Proportional to 1,577,064.90, 2,176,351.52 and 851,912.63

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Solution

The fourth proportional to 1,577,064.90, 2,176,351.52 and 851,912.63 is: 1,175,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,064.90 : 2,176,351.52 = 851,912.63 : x
  2. Step 2: Convert to fraction form
    1,577,064.90/2,176,351.52 = 851,912.63/x
  3. Step 3: Cross multiply
    1,577,064.90x = 2,176,351.52 × 851,912.63
  4. Step 4: Simplify right side
    1,577,064.90x = 1,854,061,332,066.38
  5. Step 5: Solve for x
    x = 1,854,061,332,066.38/1,577,064.90
  6. Step 6: Final answer
    x = 1,175,640.48

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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.