Home / 480,518.90-721,137.39-181,294.58

Finding the Fourth Proportional to 480,518.90, 721,137.39 and 181,294.58

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Solution

The fourth proportional to 480,518.90, 721,137.39 and 181,294.58 is: 272,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,518.90 : 721,137.39 = 181,294.58 : x
  2. Step 2: Convert to fraction form
    480,518.90/721,137.39 = 181,294.58/x
  3. Step 3: Cross multiply
    480,518.90x = 721,137.39 × 181,294.58
  4. Step 4: Simplify right side
    480,518.90x = 130,738,300,242.35
  5. Step 5: Solve for x
    x = 130,738,300,242.35/480,518.90
  6. Step 6: Final answer
    x = 272,077.33

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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.