Home / 474,834.48-655,368.49-321,921.84

Finding the Fourth Proportional to 474,834.48, 655,368.49 and 321,921.84

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Solution

The fourth proportional to 474,834.48, 655,368.49 and 321,921.84 is: 444,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,834.48 : 655,368.49 = 321,921.84 : x
  2. Step 2: Convert to fraction form
    474,834.48/655,368.49 = 321,921.84/x
  3. Step 3: Cross multiply
    474,834.48x = 655,368.49 × 321,921.84
  4. Step 4: Simplify right side
    474,834.48x = 210,977,428,554.81
  5. Step 5: Solve for x
    x = 210,977,428,554.81/474,834.48
  6. Step 6: Final answer
    x = 444,317.83

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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.