Home / 557,134.08-768,850.56-302,487.36

Finding the Fourth Proportional to 557,134.08, 768,850.56 and 302,487.36

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Solution

The fourth proportional to 557,134.08, 768,850.56 and 302,487.36 is: 417,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,134.08 : 768,850.56 = 302,487.36 : x
  2. Step 2: Convert to fraction form
    557,134.08/768,850.56 = 302,487.36/x
  3. Step 3: Cross multiply
    557,134.08x = 768,850.56 × 302,487.36
  4. Step 4: Simplify right side
    557,134.08x = 232,567,576,128.92
  5. Step 5: Solve for x
    x = 232,567,576,128.92/557,134.08
  6. Step 6: Final answer
    x = 417,435.56

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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.