Home / 656,884.83-984,854.36-403,642.11

Finding the Fourth Proportional to 656,884.83, 984,854.36 and 403,642.11

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Solution

The fourth proportional to 656,884.83, 984,854.36 and 403,642.11 is: 605,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,884.83 : 984,854.36 = 403,642.11 : x
  2. Step 2: Convert to fraction form
    656,884.83/984,854.36 = 403,642.11/x
  3. Step 3: Cross multiply
    656,884.83x = 984,854.36 × 403,642.11
  4. Step 4: Simplify right side
    656,884.83x = 397,528,689,894.89
  5. Step 5: Solve for x
    x = 397,528,689,894.89/656,884.83
  6. Step 6: Final answer
    x = 605,172.58

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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.