Home / 403,986.76-557,436.54-242,803.24

Finding the Fourth Proportional to 403,986.76, 557,436.54 and 242,803.24

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Solution

The fourth proportional to 403,986.76, 557,436.54 and 242,803.24 is: 335,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,986.76 : 557,436.54 = 242,803.24 : x
  2. Step 2: Convert to fraction form
    403,986.76/557,436.54 = 242,803.24/x
  3. Step 3: Cross multiply
    403,986.76x = 557,436.54 × 242,803.24
  4. Step 4: Simplify right side
    403,986.76x = 135,347,398,006.39
  5. Step 5: Solve for x
    x = 135,347,398,006.39/403,986.76
  6. Step 6: Final answer
    x = 335,029.29

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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.