Home / 831,633.66-1,147,607.33-469,035.85

Finding the Fourth Proportional to 831,633.66, 1,147,607.33 and 469,035.85

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Solution

The fourth proportional to 831,633.66, 1,147,607.33 and 469,035.85 is: 647,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,633.66 : 1,147,607.33 = 469,035.85 : x
  2. Step 2: Convert to fraction form
    831,633.66/1,147,607.33 = 469,035.85/x
  3. Step 3: Cross multiply
    831,633.66x = 1,147,607.33 × 469,035.85
  4. Step 4: Simplify right side
    831,633.66x = 538,268,973,168.45
  5. Step 5: Solve for x
    x = 538,268,973,168.45/831,633.66
  6. Step 6: Final answer
    x = 647,242.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.