Home / 1,143,410.40-1,725,491.52-1,105,295.76

Finding the Fourth Proportional to 1,143,410.40, 1,725,491.52 and 1,105,295.76

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Solution

The fourth proportional to 1,143,410.40, 1,725,491.52 and 1,105,295.76 is: 1,667,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,410.40 : 1,725,491.52 = 1,105,295.76 : x
  2. Step 2: Convert to fraction form
    1,143,410.40/1,725,491.52 = 1,105,295.76/x
  3. Step 3: Cross multiply
    1,143,410.40x = 1,725,491.52 × 1,105,295.76
  4. Step 4: Simplify right side
    1,143,410.40x = 1,907,178,460,971.96
  5. Step 5: Solve for x
    x = 1,907,178,460,971.96/1,143,410.40
  6. Step 6: Final answer
    x = 1,667,973.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.