Home / 909,117.75-1,363,683.46-403,542.82

Finding the Fourth Proportional to 909,117.75, 1,363,683.46 and 403,542.82

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Solution

The fourth proportional to 909,117.75, 1,363,683.46 and 403,542.82 is: 605,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,117.75 : 1,363,683.46 = 403,542.82 : x
  2. Step 2: Convert to fraction form
    909,117.75/1,363,683.46 = 403,542.82/x
  3. Step 3: Cross multiply
    909,117.75x = 1,363,683.46 × 403,542.82
  4. Step 4: Simplify right side
    909,117.75x = 550,304,664,617.69
  5. Step 5: Solve for x
    x = 550,304,664,617.69/909,117.75
  6. Step 6: Final answer
    x = 605,317.26

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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.