Home / 1,533,040.74-2,115,127.92-888,336.36

Finding the Fourth Proportional to 1,533,040.74, 2,115,127.92 and 888,336.36

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Solution

The fourth proportional to 1,533,040.74, 2,115,127.92 and 888,336.36 is: 1,225,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,040.74 : 2,115,127.92 = 888,336.36 : x
  2. Step 2: Convert to fraction form
    1,533,040.74/2,115,127.92 = 888,336.36/x
  3. Step 3: Cross multiply
    1,533,040.74x = 2,115,127.92 × 888,336.36
  4. Step 4: Simplify right side
    1,533,040.74x = 1,878,945,037,387.17
  5. Step 5: Solve for x
    x = 1,878,945,037,387.17/1,533,040.74
  6. Step 6: Final answer
    x = 1,225,632.81

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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.