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Finding the Fourth Proportional to 935,797.86, 1,404,484.11 and 876,748.86

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Solution

The fourth proportional to 935,797.86, 1,404,484.11 and 876,748.86 is: 1,315,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,797.86 : 1,404,484.11 = 876,748.86 : x
  2. Step 2: Convert to fraction form
    935,797.86/1,404,484.11 = 876,748.86/x
  3. Step 3: Cross multiply
    935,797.86x = 1,404,484.11 × 876,748.86
  4. Step 4: Simplify right side
    935,797.86x = 1,231,379,842,330.61
  5. Step 5: Solve for x
    x = 1,231,379,842,330.61/935,797.86
  6. Step 6: Final answer
    x = 1,315,860.93

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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.