Home / 759,818.88-1,138,678.56-659,741.76

Finding the Fourth Proportional to 759,818.88, 1,138,678.56 and 659,741.76

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Solution

The fourth proportional to 759,818.88, 1,138,678.56 and 659,741.76 is: 988,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,818.88 : 1,138,678.56 = 659,741.76 : x
  2. Step 2: Convert to fraction form
    759,818.88/1,138,678.56 = 659,741.76/x
  3. Step 3: Cross multiply
    759,818.88x = 1,138,678.56 × 659,741.76
  4. Step 4: Simplify right side
    759,818.88x = 751,233,797,248.67
  5. Step 5: Solve for x
    x = 751,233,797,248.67/759,818.88
  6. Step 6: Final answer
    x = 988,701.15

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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.