Home / 557,531.10-769,355.01-302,876.82

Finding the Fourth Proportional to 557,531.10, 769,355.01 and 302,876.82

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Solution

The fourth proportional to 557,531.10, 769,355.01 and 302,876.82 is: 417,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,531.10 : 769,355.01 = 302,876.82 : x
  2. Step 2: Convert to fraction form
    557,531.10/769,355.01 = 302,876.82/x
  3. Step 3: Cross multiply
    557,531.10x = 769,355.01 × 302,876.82
  4. Step 4: Simplify right side
    557,531.10x = 233,019,798,879.87
  5. Step 5: Solve for x
    x = 233,019,798,879.87/557,531.10
  6. Step 6: Final answer
    x = 417,949.42

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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.