Home / 873,184.60-1,309,604.10-423,904.60

Finding the Fourth Proportional to 873,184.60, 1,309,604.10 and 423,904.60

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Solution

The fourth proportional to 873,184.60, 1,309,604.10 and 423,904.60 is: 635,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,184.60 : 1,309,604.10 = 423,904.60 : x
  2. Step 2: Convert to fraction form
    873,184.60/1,309,604.10 = 423,904.60/x
  3. Step 3: Cross multiply
    873,184.60x = 1,309,604.10 × 423,904.60
  4. Step 4: Simplify right side
    873,184.60x = 555,147,202,168.86
  5. Step 5: Solve for x
    x = 555,147,202,168.86/873,184.60
  6. Step 6: Final answer
    x = 635,773.01

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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.