Home / 557,932.14-769,945.77-303,285.15

Finding the Fourth Proportional to 557,932.14, 769,945.77 and 303,285.15

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Solution

The fourth proportional to 557,932.14, 769,945.77 and 303,285.15 is: 418,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,932.14 : 769,945.77 = 303,285.15 : x
  2. Step 2: Convert to fraction form
    557,932.14/769,945.77 = 303,285.15/x
  3. Step 3: Cross multiply
    557,932.14x = 769,945.77 × 303,285.15
  4. Step 4: Simplify right side
    557,932.14x = 233,513,118,346.32
  5. Step 5: Solve for x
    x = 233,513,118,346.32/557,932.14
  6. Step 6: Final answer
    x = 418,533.19

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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.