Home / 1,186,022.51-1,778,188.11-554,591.87

Finding the Fourth Proportional to 1,186,022.51, 1,778,188.11 and 554,591.87

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Solution

The fourth proportional to 1,186,022.51, 1,778,188.11 and 554,591.87 is: 831,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,022.51 : 1,778,188.11 = 554,591.87 : x
  2. Step 2: Convert to fraction form
    1,186,022.51/1,778,188.11 = 554,591.87/x
  3. Step 3: Cross multiply
    1,186,022.51x = 1,778,188.11 × 554,591.87
  4. Step 4: Simplify right side
    1,186,022.51x = 986,168,660,245.73
  5. Step 5: Solve for x
    x = 986,168,660,245.73/1,186,022.51
  6. Step 6: Final answer
    x = 831,492.37

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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.