Home / 708,282.80-1,062,424.20-654,628.40

Finding the Fourth Proportional to 708,282.80, 1,062,424.20 and 654,628.40

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Solution

The fourth proportional to 708,282.80, 1,062,424.20 and 654,628.40 is: 981,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,282.80 : 1,062,424.20 = 654,628.40 : x
  2. Step 2: Convert to fraction form
    708,282.80/1,062,424.20 = 654,628.40/x
  3. Step 3: Cross multiply
    708,282.80x = 1,062,424.20 × 654,628.40
  4. Step 4: Simplify right side
    708,282.80x = 695,493,054,167.28
  5. Step 5: Solve for x
    x = 695,493,054,167.28/708,282.80
  6. Step 6: Final answer
    x = 981,942.60

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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.