Home / 403,815.83-557,264.68-222,527.70

Finding the Fourth Proportional to 403,815.83, 557,264.68 and 222,527.70

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Solution

The fourth proportional to 403,815.83, 557,264.68 and 222,527.70 is: 307,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,815.83 : 557,264.68 = 222,527.70 : x
  2. Step 2: Convert to fraction form
    403,815.83/557,264.68 = 222,527.70/x
  3. Step 3: Cross multiply
    403,815.83x = 557,264.68 × 222,527.70
  4. Step 4: Simplify right side
    403,815.83x = 124,006,827,531.64
  5. Step 5: Solve for x
    x = 124,006,827,531.64/403,815.83
  6. Step 6: Final answer
    x = 307,087.58

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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.