Home / 764,111.80-1,146,167.70-657,823.60

Finding the Fourth Proportional to 764,111.80, 1,146,167.70 and 657,823.60

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Solution

The fourth proportional to 764,111.80, 1,146,167.70 and 657,823.60 is: 986,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,111.80 : 1,146,167.70 = 657,823.60 : x
  2. Step 2: Convert to fraction form
    764,111.80/1,146,167.70 = 657,823.60/x
  3. Step 3: Cross multiply
    764,111.80x = 1,146,167.70 × 657,823.60
  4. Step 4: Simplify right side
    764,111.80x = 753,976,162,617.72
  5. Step 5: Solve for x
    x = 753,976,162,617.72/764,111.80
  6. Step 6: Final answer
    x = 986,735.40

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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.