Home / 547,466.42-821,228.80-173,518.58

Finding the Fourth Proportional to 547,466.42, 821,228.80 and 173,518.58

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Solution

The fourth proportional to 547,466.42, 821,228.80 and 173,518.58 is: 260,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,466.42 : 821,228.80 = 173,518.58 : x
  2. Step 2: Convert to fraction form
    547,466.42/821,228.80 = 173,518.58/x
  3. Step 3: Cross multiply
    547,466.42x = 821,228.80 × 173,518.58
  4. Step 4: Simplify right side
    547,466.42x = 142,498,455,231.10
  5. Step 5: Solve for x
    x = 142,498,455,231.10/547,466.42
  6. Step 6: Final answer
    x = 260,287.12

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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.