Home / 356,921.57-534,330.54-312,634.82

Finding the Fourth Proportional to 356,921.57, 534,330.54 and 312,634.82

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Solution

The fourth proportional to 356,921.57, 534,330.54 and 312,634.82 is: 468,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.57 : 534,330.54 = 312,634.82 : x
  2. Step 2: Convert to fraction form
    356,921.57/534,330.54 = 312,634.82/x
  3. Step 3: Cross multiply
    356,921.57x = 534,330.54 × 312,634.82
  4. Step 4: Simplify right side
    356,921.57x = 167,050,329,521.75
  5. Step 5: Solve for x
    x = 167,050,329,521.75/356,921.57
  6. Step 6: Final answer
    x = 468,030.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.