Home / 404,030.48-557,563.16-242,977.76

Finding the Fourth Proportional to 404,030.48, 557,563.16 and 242,977.76

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Solution

The fourth proportional to 404,030.48, 557,563.16 and 242,977.76 is: 335,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,030.48 : 557,563.16 = 242,977.76 : x
  2. Step 2: Convert to fraction form
    404,030.48/557,563.16 = 242,977.76/x
  3. Step 3: Cross multiply
    404,030.48x = 557,563.16 × 242,977.76
  4. Step 4: Simplify right side
    404,030.48x = 135,475,447,675.32
  5. Step 5: Solve for x
    x = 135,475,447,675.32/404,030.48
  6. Step 6: Final answer
    x = 335,309.97

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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.