Home / 591,254.73-815,931.54-319,322.70

Finding the Fourth Proportional to 591,254.73, 815,931.54 and 319,322.70

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Solution

The fourth proportional to 591,254.73, 815,931.54 and 319,322.70 is: 440,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,254.73 : 815,931.54 = 319,322.70 : x
  2. Step 2: Convert to fraction form
    591,254.73/815,931.54 = 319,322.70/x
  3. Step 3: Cross multiply
    591,254.73x = 815,931.54 × 319,322.70
  4. Step 4: Simplify right side
    591,254.73x = 260,545,462,367.96
  5. Step 5: Solve for x
    x = 260,545,462,367.96/591,254.73
  6. Step 6: Final answer
    x = 440,665.33

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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.