Home / 1,720,931.90-2,581,028.78-709,791.59

Finding the Fourth Proportional to 1,720,931.90, 2,581,028.78 and 709,791.59

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Solution

The fourth proportional to 1,720,931.90, 2,581,028.78 and 709,791.59 is: 1,064,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,931.90 : 2,581,028.78 = 709,791.59 : x
  2. Step 2: Convert to fraction form
    1,720,931.90/2,581,028.78 = 709,791.59/x
  3. Step 3: Cross multiply
    1,720,931.90x = 2,581,028.78 × 709,791.59
  4. Step 4: Simplify right side
    1,720,931.90x = 1,831,992,524,495.57
  5. Step 5: Solve for x
    x = 1,831,992,524,495.57/1,720,931.90
  6. Step 6: Final answer
    x = 1,064,535.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.