Home / 1,317,070.86-1,817,557.83-713,458.86

Finding the Fourth Proportional to 1,317,070.86, 1,817,557.83 and 713,458.86

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Solution

The fourth proportional to 1,317,070.86, 1,817,557.83 and 713,458.86 is: 984,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,070.86 : 1,817,557.83 = 713,458.86 : x
  2. Step 2: Convert to fraction form
    1,317,070.86/1,817,557.83 = 713,458.86/x
  3. Step 3: Cross multiply
    1,317,070.86x = 1,817,557.83 × 713,458.86
  4. Step 4: Simplify right side
    1,317,070.86x = 1,296,752,737,375.87
  5. Step 5: Solve for x
    x = 1,296,752,737,375.87/1,317,070.86
  6. Step 6: Final answer
    x = 984,573.25

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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.