Home / 438,886.02-657,944.47-211,067.44

Finding the Fourth Proportional to 438,886.02, 657,944.47 and 211,067.44

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Solution

The fourth proportional to 438,886.02, 657,944.47 and 211,067.44 is: 316,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,886.02 : 657,944.47 = 211,067.44 : x
  2. Step 2: Convert to fraction form
    438,886.02/657,944.47 = 211,067.44/x
  3. Step 3: Cross multiply
    438,886.02x = 657,944.47 × 211,067.44
  4. Step 4: Simplify right side
    438,886.02x = 138,870,654,945.06
  5. Step 5: Solve for x
    x = 138,870,654,945.06/438,886.02
  6. Step 6: Final answer
    x = 316,416.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.