Home / 1,259,345.07-1,737,896.85-715,481.81

Finding the Fourth Proportional to 1,259,345.07, 1,737,896.85 and 715,481.81

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Solution

The fourth proportional to 1,259,345.07, 1,737,896.85 and 715,481.81 is: 987,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,345.07 : 1,737,896.85 = 715,481.81 : x
  2. Step 2: Convert to fraction form
    1,259,345.07/1,737,896.85 = 715,481.81/x
  3. Step 3: Cross multiply
    1,259,345.07x = 1,737,896.85 × 715,481.81
  4. Step 4: Simplify right side
    1,259,345.07x = 1,243,433,580,253.89
  5. Step 5: Solve for x
    x = 1,243,433,580,253.89/1,259,345.07
  6. Step 6: Final answer
    x = 987,365.27

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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.