Home / 1,518,990.95-2,096,243.91-865,603

Finding the Fourth Proportional to 1,518,990.95, 2,096,243.91 and 865,603

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Solution

The fourth proportional to 1,518,990.95, 2,096,243.91 and 865,603 is: 1,194,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,990.95 : 2,096,243.91 = 865,603 : x
  2. Step 2: Convert to fraction form
    1,518,990.95/2,096,243.91 = 865,603/x
  3. Step 3: Cross multiply
    1,518,990.95x = 2,096,243.91 × 865,603
  4. Step 4: Simplify right side
    1,518,990.95x = 1,814,515,017,227.73
  5. Step 5: Solve for x
    x = 1,814,515,017,227.73/1,518,990.95
  6. Step 6: Final answer
    x = 1,194,552.88

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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.