Home / 497,726.20-746,685.30-213,412.60

Finding the Fourth Proportional to 497,726.20, 746,685.30 and 213,412.60

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Solution

The fourth proportional to 497,726.20, 746,685.30 and 213,412.60 is: 320,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,726.20 : 746,685.30 = 213,412.60 : x
  2. Step 2: Convert to fraction form
    497,726.20/746,685.30 = 213,412.60/x
  3. Step 3: Cross multiply
    497,726.20x = 746,685.30 × 213,412.60
  4. Step 4: Simplify right side
    497,726.20x = 159,352,051,254.78
  5. Step 5: Solve for x
    x = 159,352,051,254.78/497,726.20
  6. Step 6: Final answer
    x = 320,160.06

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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.