Home / 403,818.59-557,273.34-222,537.02

Finding the Fourth Proportional to 403,818.59, 557,273.34 and 222,537.02

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Solution

The fourth proportional to 403,818.59, 557,273.34 and 222,537.02 is: 307,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,818.59 : 557,273.34 = 222,537.02 : x
  2. Step 2: Convert to fraction form
    403,818.59/557,273.34 = 222,537.02/x
  3. Step 3: Cross multiply
    403,818.59x = 557,273.34 × 222,537.02
  4. Step 4: Simplify right side
    403,818.59x = 124,013,948,271.13
  5. Step 5: Solve for x
    x = 124,013,948,271.13/403,818.59
  6. Step 6: Final answer
    x = 307,103.12

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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.