Home / 1,117,833.30-1,677,010.23-319,125.78

Finding the Fourth Proportional to 1,117,833.30, 1,677,010.23 and 319,125.78

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Solution

The fourth proportional to 1,117,833.30, 1,677,010.23 and 319,125.78 is: 478,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,833.30 : 1,677,010.23 = 319,125.78 : x
  2. Step 2: Convert to fraction form
    1,117,833.30/1,677,010.23 = 319,125.78/x
  3. Step 3: Cross multiply
    1,117,833.30x = 1,677,010.23 × 319,125.78
  4. Step 4: Simplify right side
    1,117,833.30x = 535,177,197,716.73
  5. Step 5: Solve for x
    x = 535,177,197,716.73/1,117,833.30
  6. Step 6: Final answer
    x = 478,762.98

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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.