Home / 1,186,795.50-1,777,240.78-830,139.54

Finding the Fourth Proportional to 1,186,795.50, 1,777,240.78 and 830,139.54

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Solution

The fourth proportional to 1,186,795.50, 1,777,240.78 and 830,139.54 is: 1,243,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,795.50 : 1,777,240.78 = 830,139.54 : x
  2. Step 2: Convert to fraction form
    1,186,795.50/1,777,240.78 = 830,139.54/x
  3. Step 3: Cross multiply
    1,186,795.50x = 1,777,240.78 × 830,139.54
  4. Step 4: Simplify right side
    1,186,795.50x = 1,475,357,843,578.44
  5. Step 5: Solve for x
    x = 1,475,357,843,578.44/1,186,795.50
  6. Step 6: Final answer
    x = 1,243,144.12

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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.