Home / 1,219,145.76-1,683,243.21-760,958.28

Finding the Fourth Proportional to 1,219,145.76, 1,683,243.21 and 760,958.28

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Solution

The fourth proportional to 1,219,145.76, 1,683,243.21 and 760,958.28 is: 1,050,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,145.76 : 1,683,243.21 = 760,958.28 : x
  2. Step 2: Convert to fraction form
    1,219,145.76/1,683,243.21 = 760,958.28/x
  3. Step 3: Cross multiply
    1,219,145.76x = 1,683,243.21 × 760,958.28
  4. Step 4: Simplify right side
    1,219,145.76x = 1,280,877,857,903.28
  5. Step 5: Solve for x
    x = 1,280,877,857,903.28/1,219,145.76
  6. Step 6: Final answer
    x = 1,050,635.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.