Home / 1,385,012.82-1,897,458.71-1,333,219.86

Finding the Fourth Proportional to 1,385,012.82, 1,897,458.71 and 1,333,219.86

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Solution

The fourth proportional to 1,385,012.82, 1,897,458.71 and 1,333,219.86 is: 1,826,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,012.82 : 1,897,458.71 = 1,333,219.86 : x
  2. Step 2: Convert to fraction form
    1,385,012.82/1,897,458.71 = 1,333,219.86/x
  3. Step 3: Cross multiply
    1,385,012.82x = 1,897,458.71 × 1,333,219.86
  4. Step 4: Simplify right side
    1,385,012.82x = 2,529,729,635,701.98
  5. Step 5: Solve for x
    x = 2,529,729,635,701.98/1,385,012.82
  6. Step 6: Final answer
    x = 1,826,502.69

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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.