Home / 557,939.93-769,953.44-303,291.12

Finding the Fourth Proportional to 557,939.93, 769,953.44 and 303,291.12

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Solution

The fourth proportional to 557,939.93, 769,953.44 and 303,291.12 is: 418,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,939.93 : 769,953.44 = 303,291.12 : x
  2. Step 2: Convert to fraction form
    557,939.93/769,953.44 = 303,291.12/x
  3. Step 3: Cross multiply
    557,939.93x = 769,953.44 × 303,291.12
  4. Step 4: Simplify right side
    557,939.93x = 233,520,039,649.00
  5. Step 5: Solve for x
    x = 233,520,039,649.00/557,939.93
  6. Step 6: Final answer
    x = 418,539.76

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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.