Home / 1,219,669.68-1,683,206.64-736,228.56

Finding the Fourth Proportional to 1,219,669.68, 1,683,206.64 and 736,228.56

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Solution

The fourth proportional to 1,219,669.68, 1,683,206.64 and 736,228.56 is: 1,016,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,669.68 : 1,683,206.64 = 736,228.56 : x
  2. Step 2: Convert to fraction form
    1,219,669.68/1,683,206.64 = 736,228.56/x
  3. Step 3: Cross multiply
    1,219,669.68x = 1,683,206.64 × 736,228.56
  4. Step 4: Simplify right side
    1,219,669.68x = 1,239,224,800,749.64
  5. Step 5: Solve for x
    x = 1,239,224,800,749.64/1,219,669.68
  6. Step 6: Final answer
    x = 1,016,033.13

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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.