Home / 1,239,561.68-1,710,379.13-695,720.39

Finding the Fourth Proportional to 1,239,561.68, 1,710,379.13 and 695,720.39

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Solution

The fourth proportional to 1,239,561.68, 1,710,379.13 and 695,720.39 is: 959,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,561.68 : 1,710,379.13 = 695,720.39 : x
  2. Step 2: Convert to fraction form
    1,239,561.68/1,710,379.13 = 695,720.39/x
  3. Step 3: Cross multiply
    1,239,561.68x = 1,710,379.13 × 695,720.39
  4. Step 4: Simplify right side
    1,239,561.68x = 1,189,945,623,340.96
  5. Step 5: Solve for x
    x = 1,189,945,623,340.96/1,239,561.68
  6. Step 6: Final answer
    x = 959,972.91

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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.