Home / 1,239,640.86-1,710,717.08-695,765.76

Finding the Fourth Proportional to 1,239,640.86, 1,710,717.08 and 695,765.76

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Solution

The fourth proportional to 1,239,640.86, 1,710,717.08 and 695,765.76 is: 960,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,640.86 : 1,710,717.08 = 695,765.76 : x
  2. Step 2: Convert to fraction form
    1,239,640.86/1,710,717.08 = 695,765.76/x
  3. Step 3: Cross multiply
    1,239,640.86x = 1,710,717.08 × 695,765.76
  4. Step 4: Simplify right side
    1,239,640.86x = 1,190,258,365,832.35
  5. Step 5: Solve for x
    x = 1,190,258,365,832.35/1,239,640.86
  6. Step 6: Final answer
    x = 960,163.87

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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.