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Finding the Fourth Proportional to 1,375,026, 1,897,536.56 and 763,179

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Solution

The fourth proportional to 1,375,026, 1,897,536.56 and 763,179 is: 1,053,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,026 : 1,897,536.56 = 763,179 : x
  2. Step 2: Convert to fraction form
    1,375,026/1,897,536.56 = 763,179/x
  3. Step 3: Cross multiply
    1,375,026x = 1,897,536.56 × 763,179
  4. Step 4: Simplify right side
    1,375,026x = 1,448,160,054,324.24
  5. Step 5: Solve for x
    x = 1,448,160,054,324.24/1,375,026
  6. Step 6: Final answer
    x = 1,053,187.40

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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.