Home / 1,078,710.40-1,614,955.20-658,806.40

Finding the Fourth Proportional to 1,078,710.40, 1,614,955.20 and 658,806.40

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Solution

The fourth proportional to 1,078,710.40, 1,614,955.20 and 658,806.40 is: 986,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,710.40 : 1,614,955.20 = 658,806.40 : x
  2. Step 2: Convert to fraction form
    1,078,710.40/1,614,955.20 = 658,806.40/x
  3. Step 3: Cross multiply
    1,078,710.40x = 1,614,955.20 × 658,806.40
  4. Step 4: Simplify right side
    1,078,710.40x = 1,063,942,821,473.28
  5. Step 5: Solve for x
    x = 1,063,942,821,473.28/1,078,710.40
  6. Step 6: Final answer
    x = 986,309.97

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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.