Home / 1,219,886.17-1,683,422.36-676,020.85

Finding the Fourth Proportional to 1,219,886.17, 1,683,422.36 and 676,020.85

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Solution

The fourth proportional to 1,219,886.17, 1,683,422.36 and 676,020.85 is: 932,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,886.17 : 1,683,422.36 = 676,020.85 : x
  2. Step 2: Convert to fraction form
    1,219,886.17/1,683,422.36 = 676,020.85/x
  3. Step 3: Cross multiply
    1,219,886.17x = 1,683,422.36 × 676,020.85
  4. Step 4: Simplify right side
    1,219,886.17x = 1,138,028,609,662.62
  5. Step 5: Solve for x
    x = 1,138,028,609,662.62/1,219,886.17
  6. Step 6: Final answer
    x = 932,897.38

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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.