Home / 557,839.17-769,785.53-303,188.13

Finding the Fourth Proportional to 557,839.17, 769,785.53 and 303,188.13

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Solution

The fourth proportional to 557,839.17, 769,785.53 and 303,188.13 is: 418,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,839.17 : 769,785.53 = 303,188.13 : x
  2. Step 2: Convert to fraction form
    557,839.17/769,785.53 = 303,188.13/x
  3. Step 3: Cross multiply
    557,839.17x = 769,785.53 × 303,188.13
  4. Step 4: Simplify right side
    557,839.17x = 233,389,833,825.82
  5. Step 5: Solve for x
    x = 233,389,833,825.82/557,839.17
  6. Step 6: Final answer
    x = 418,381.94

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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.