Home / 656,066.20-983,480.10-356,104.60

Finding the Fourth Proportional to 656,066.20, 983,480.10 and 356,104.60

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Solution

The fourth proportional to 656,066.20, 983,480.10 and 356,104.60 is: 533,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,066.20 : 983,480.10 = 356,104.60 : x
  2. Step 2: Convert to fraction form
    656,066.20/983,480.10 = 356,104.60/x
  3. Step 3: Cross multiply
    656,066.20x = 983,480.10 × 356,104.60
  4. Step 4: Simplify right side
    656,066.20x = 350,221,787,618.46
  5. Step 5: Solve for x
    x = 350,221,787,618.46/656,066.20
  6. Step 6: Final answer
    x = 533,820.81

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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.