Home / 1,211,644.01-1,672,621.24-863,008.87

Finding the Fourth Proportional to 1,211,644.01, 1,672,621.24 and 863,008.87

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Solution

The fourth proportional to 1,211,644.01, 1,672,621.24 and 863,008.87 is: 1,191,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,644.01 : 1,672,621.24 = 863,008.87 : x
  2. Step 2: Convert to fraction form
    1,211,644.01/1,672,621.24 = 863,008.87/x
  3. Step 3: Cross multiply
    1,211,644.01x = 1,672,621.24 × 863,008.87
  4. Step 4: Simplify right side
    1,211,644.01x = 1,443,486,957,907.29
  5. Step 5: Solve for x
    x = 1,443,486,957,907.29/1,211,644.01
  6. Step 6: Final answer
    x = 1,191,345.77

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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.