Home / 1,422,033.76-2,133,160.80-475,408

Finding the Fourth Proportional to 1,422,033.76, 2,133,160.80 and 475,408

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Solution

The fourth proportional to 1,422,033.76, 2,133,160.80 and 475,408 is: 713,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,033.76 : 2,133,160.80 = 475,408 : x
  2. Step 2: Convert to fraction form
    1,422,033.76/2,133,160.80 = 475,408/x
  3. Step 3: Cross multiply
    1,422,033.76x = 2,133,160.80 × 475,408
  4. Step 4: Simplify right side
    1,422,033.76x = 1,014,121,709,606.40
  5. Step 5: Solve for x
    x = 1,014,121,709,606.40/1,422,033.76
  6. Step 6: Final answer
    x = 713,148.83

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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.