Home / 1,239,562.68-1,710,380.50-695,721.39

Finding the Fourth Proportional to 1,239,562.68, 1,710,380.50 and 695,721.39

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Solution

The fourth proportional to 1,239,562.68, 1,710,380.50 and 695,721.39 is: 959,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,562.68 : 1,710,380.50 = 695,721.39 : x
  2. Step 2: Convert to fraction form
    1,239,562.68/1,710,380.50 = 695,721.39/x
  3. Step 3: Cross multiply
    1,239,562.68x = 1,710,380.50 × 695,721.39
  4. Step 4: Simplify right side
    1,239,562.68x = 1,189,948,298,888.90
  5. Step 5: Solve for x
    x = 1,189,948,298,888.90/1,239,562.68
  6. Step 6: Final answer
    x = 959,974.29

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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.