Home / 548,848.64-757,434.44-339,342.14

Finding the Fourth Proportional to 548,848.64, 757,434.44 and 339,342.14

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Solution

The fourth proportional to 548,848.64, 757,434.44 and 339,342.14 is: 468,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,848.64 : 757,434.44 = 339,342.14 : x
  2. Step 2: Convert to fraction form
    548,848.64/757,434.44 = 339,342.14/x
  3. Step 3: Cross multiply
    548,848.64x = 757,434.44 × 339,342.14
  4. Step 4: Simplify right side
    548,848.64x = 257,029,426,521.24
  5. Step 5: Solve for x
    x = 257,029,426,521.24/548,848.64
  6. Step 6: Final answer
    x = 468,306.57

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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.