Home / 1,077,647.72-1,487,253.62-618,822.41

Finding the Fourth Proportional to 1,077,647.72, 1,487,253.62 and 618,822.41

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Solution

The fourth proportional to 1,077,647.72, 1,487,253.62 and 618,822.41 is: 854,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,647.72 : 1,487,253.62 = 618,822.41 : x
  2. Step 2: Convert to fraction form
    1,077,647.72/1,487,253.62 = 618,822.41/x
  3. Step 3: Cross multiply
    1,077,647.72x = 1,487,253.62 × 618,822.41
  4. Step 4: Simplify right side
    1,077,647.72x = 920,345,863,520.41
  5. Step 5: Solve for x
    x = 920,345,863,520.41/1,077,647.72
  6. Step 6: Final answer
    x = 854,032.21

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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.