Home / 1,083,631.50-1,494,379.90-647,979.63

Finding the Fourth Proportional to 1,083,631.50, 1,494,379.90 and 647,979.63

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Solution

The fourth proportional to 1,083,631.50, 1,494,379.90 and 647,979.63 is: 893,595.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,631.50 : 1,494,379.90 = 647,979.63 : x
  2. Step 2: Convert to fraction form
    1,083,631.50/1,494,379.90 = 647,979.63/x
  3. Step 3: Cross multiply
    1,083,631.50x = 1,494,379.90 × 647,979.63
  4. Step 4: Simplify right side
    1,083,631.50x = 968,327,734,681.44
  5. Step 5: Solve for x
    x = 968,327,734,681.44/1,083,631.50
  6. Step 6: Final answer
    x = 893,595.04

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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.