Home / 1,297,471.73-1,774,950.52-1,292,006.88

Finding the Fourth Proportional to 1,297,471.73, 1,774,950.52 and 1,292,006.88

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Solution

The fourth proportional to 1,297,471.73, 1,774,950.52 and 1,292,006.88 is: 1,767,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,471.73 : 1,774,950.52 = 1,292,006.88 : x
  2. Step 2: Convert to fraction form
    1,297,471.73/1,774,950.52 = 1,292,006.88/x
  3. Step 3: Cross multiply
    1,297,471.73x = 1,774,950.52 × 1,292,006.88
  4. Step 4: Simplify right side
    1,297,471.73x = 2,293,248,283,499.58
  5. Step 5: Solve for x
    x = 2,293,248,283,499.58/1,297,471.73
  6. Step 6: Final answer
    x = 1,767,474.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.