Home / 788,828.76-1,088,720.46-762,584.76

Finding the Fourth Proportional to 788,828.76, 1,088,720.46 and 762,584.76

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Solution

The fourth proportional to 788,828.76, 1,088,720.46 and 762,584.76 is: 1,052,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,828.76 : 1,088,720.46 = 762,584.76 : x
  2. Step 2: Convert to fraction form
    788,828.76/1,088,720.46 = 762,584.76/x
  3. Step 3: Cross multiply
    788,828.76x = 1,088,720.46 × 762,584.76
  4. Step 4: Simplify right side
    788,828.76x = 830,241,630,696.19
  5. Step 5: Solve for x
    x = 830,241,630,696.19/788,828.76
  6. Step 6: Final answer
    x = 1,052,499.19

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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.