Home / 403,855.18-557,323.95-222,573.64

Finding the Fourth Proportional to 403,855.18, 557,323.95 and 222,573.64

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Solution

The fourth proportional to 403,855.18, 557,323.95 and 222,573.64 is: 307,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,855.18 : 557,323.95 = 222,573.64 : x
  2. Step 2: Convert to fraction form
    403,855.18/557,323.95 = 222,573.64/x
  3. Step 3: Cross multiply
    403,855.18x = 557,323.95 × 222,573.64
  4. Step 4: Simplify right side
    403,855.18x = 124,045,620,210.68
  5. Step 5: Solve for x
    x = 124,045,620,210.68/403,855.18
  6. Step 6: Final answer
    x = 307,153.72

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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.