Home / 476,630.12-714,944.58-121,644.14

Finding the Fourth Proportional to 476,630.12, 714,944.58 and 121,644.14

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Solution

The fourth proportional to 476,630.12, 714,944.58 and 121,644.14 is: 182,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,630.12 : 714,944.58 = 121,644.14 : x
  2. Step 2: Convert to fraction form
    476,630.12/714,944.58 = 121,644.14/x
  3. Step 3: Cross multiply
    476,630.12x = 714,944.58 × 121,644.14
  4. Step 4: Simplify right side
    476,630.12x = 86,968,818,581.76
  5. Step 5: Solve for x
    x = 86,968,818,581.76/476,630.12
  6. Step 6: Final answer
    x = 182,466.06

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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.