Home / 1,067,475.07-1,472,970.11-637,663.96

Finding the Fourth Proportional to 1,067,475.07, 1,472,970.11 and 637,663.96

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Solution

The fourth proportional to 1,067,475.07, 1,472,970.11 and 637,663.96 is: 879,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,475.07 : 1,472,970.11 = 637,663.96 : x
  2. Step 2: Convert to fraction form
    1,067,475.07/1,472,970.11 = 637,663.96/x
  3. Step 3: Cross multiply
    1,067,475.07x = 1,472,970.11 × 637,663.96
  4. Step 4: Simplify right side
    1,067,475.07x = 939,259,953,304.24
  5. Step 5: Solve for x
    x = 939,259,953,304.24/1,067,475.07
  6. Step 6: Final answer
    x = 879,889.36

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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.