Home / 557,261.28-769,013.82-302,614.28

Finding the Fourth Proportional to 557,261.28, 769,013.82 and 302,614.28

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Solution

The fourth proportional to 557,261.28, 769,013.82 and 302,614.28 is: 417,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,261.28 : 769,013.82 = 302,614.28 : x
  2. Step 2: Convert to fraction form
    557,261.28/769,013.82 = 302,614.28/x
  3. Step 3: Cross multiply
    557,261.28x = 769,013.82 × 302,614.28
  4. Step 4: Simplify right side
    557,261.28x = 232,714,563,449.35
  5. Step 5: Solve for x
    x = 232,714,563,449.35/557,261.28
  6. Step 6: Final answer
    x = 417,604.04

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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.