Home / 403,851.90-557,319.39-222,570.24

Finding the Fourth Proportional to 403,851.90, 557,319.39 and 222,570.24

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Solution

The fourth proportional to 403,851.90, 557,319.39 and 222,570.24 is: 307,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,851.90 : 557,319.39 = 222,570.24 : x
  2. Step 2: Convert to fraction form
    403,851.90/557,319.39 = 222,570.24/x
  3. Step 3: Cross multiply
    403,851.90x = 557,319.39 × 222,570.24
  4. Step 4: Simplify right side
    403,851.90x = 124,042,710,388.95
  5. Step 5: Solve for x
    x = 124,042,710,388.95/403,851.90
  6. Step 6: Final answer
    x = 307,149.01

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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.