Home / 403,817.35-557,271.68-222,535.77

Finding the Fourth Proportional to 403,817.35, 557,271.68 and 222,535.77

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Solution

The fourth proportional to 403,817.35, 557,271.68 and 222,535.77 is: 307,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,817.35 : 557,271.68 = 222,535.77 : x
  2. Step 2: Convert to fraction form
    403,817.35/557,271.68 = 222,535.77/x
  3. Step 3: Cross multiply
    403,817.35x = 557,271.68 × 222,535.77
  4. Step 4: Simplify right side
    403,817.35x = 124,012,883,591.96
  5. Step 5: Solve for x
    x = 124,012,883,591.96/403,817.35
  6. Step 6: Final answer
    x = 307,101.43

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1.5x scale

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.