Home / 404,028.48-557,560.40-242,975.76

Finding the Fourth Proportional to 404,028.48, 557,560.40 and 242,975.76

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Solution

The fourth proportional to 404,028.48, 557,560.40 and 242,975.76 is: 335,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,028.48 : 557,560.40 = 242,975.76 : x
  2. Step 2: Convert to fraction form
    404,028.48/557,560.40 = 242,975.76/x
  3. Step 3: Cross multiply
    404,028.48x = 557,560.40 × 242,975.76
  4. Step 4: Simplify right side
    404,028.48x = 135,473,661,935.90
  5. Step 5: Solve for x
    x = 135,473,661,935.90/404,028.48
  6. Step 6: Final answer
    x = 335,307.21

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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.