Home / 1,161,789.51-1,743,366.33-487,818.98

Finding the Fourth Proportional to 1,161,789.51, 1,743,366.33 and 487,818.98

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Solution

The fourth proportional to 1,161,789.51, 1,743,366.33 and 487,818.98 is: 732,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,789.51 : 1,743,366.33 = 487,818.98 : x
  2. Step 2: Convert to fraction form
    1,161,789.51/1,743,366.33 = 487,818.98/x
  3. Step 3: Cross multiply
    1,161,789.51x = 1,743,366.33 × 487,818.98
  4. Step 4: Simplify right side
    1,161,789.51x = 850,447,176,150.11
  5. Step 5: Solve for x
    x = 850,447,176,150.11/1,161,789.51
  6. Step 6: Final answer
    x = 732,014.85

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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.