Home / 759,823.88-1,138,686.06-659,746.76

Finding the Fourth Proportional to 759,823.88, 1,138,686.06 and 659,746.76

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Solution

The fourth proportional to 759,823.88, 1,138,686.06 and 659,746.76 is: 988,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,823.88 : 1,138,686.06 = 659,746.76 : x
  2. Step 2: Convert to fraction form
    759,823.88/1,138,686.06 = 659,746.76/x
  3. Step 3: Cross multiply
    759,823.88x = 1,138,686.06 × 659,746.76
  4. Step 4: Simplify right side
    759,823.88x = 751,244,438,742.17
  5. Step 5: Solve for x
    x = 751,244,438,742.17/759,823.88
  6. Step 6: Final answer
    x = 988,708.64

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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.