Home / 1,421,683.88-2,132,635.74-475,057.88

Finding the Fourth Proportional to 1,421,683.88, 2,132,635.74 and 475,057.88

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Solution

The fourth proportional to 1,421,683.88, 2,132,635.74 and 475,057.88 is: 712,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,683.88 : 2,132,635.74 = 475,057.88 : x
  2. Step 2: Convert to fraction form
    1,421,683.88/2,132,635.74 = 475,057.88/x
  3. Step 3: Cross multiply
    1,421,683.88x = 2,132,635.74 × 475,057.88
  4. Step 4: Simplify right side
    1,421,683.88x = 1,013,125,413,456.63
  5. Step 5: Solve for x
    x = 1,013,125,413,456.63/1,421,683.88
  6. Step 6: Final answer
    x = 712,623.55

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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.