Home / 1,086,529.40-1,629,794.10-487,510.10

Finding the Fourth Proportional to 1,086,529.40, 1,629,794.10 and 487,510.10

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Solution

The fourth proportional to 1,086,529.40, 1,629,794.10 and 487,510.10 is: 731,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,529.40 : 1,629,794.10 = 487,510.10 : x
  2. Step 2: Convert to fraction form
    1,086,529.40/1,629,794.10 = 487,510.10/x
  3. Step 3: Cross multiply
    1,086,529.40x = 1,629,794.10 × 487,510.10
  4. Step 4: Simplify right side
    1,086,529.40x = 794,541,084,670.41
  5. Step 5: Solve for x
    x = 794,541,084,670.41/1,086,529.40
  6. Step 6: Final answer
    x = 731,265.15

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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.