Home / 1,240,972.68-1,712,355.75-697,004.28

Finding the Fourth Proportional to 1,240,972.68, 1,712,355.75 and 697,004.28

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Solution

The fourth proportional to 1,240,972.68, 1,712,355.75 and 697,004.28 is: 961,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,972.68 : 1,712,355.75 = 697,004.28 : x
  2. Step 2: Convert to fraction form
    1,240,972.68/1,712,355.75 = 697,004.28/x
  3. Step 3: Cross multiply
    1,240,972.68x = 1,712,355.75 × 697,004.28
  4. Step 4: Simplify right side
    1,240,972.68x = 1,193,519,286,632.61
  5. Step 5: Solve for x
    x = 1,193,519,286,632.61/1,240,972.68
  6. Step 6: Final answer
    x = 961,761.13

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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.