Home / 864,246.30-1,296,369.45-233,223.90

Finding the Fourth Proportional to 864,246.30, 1,296,369.45 and 233,223.90

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Solution

The fourth proportional to 864,246.30, 1,296,369.45 and 233,223.90 is: 349,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,246.30 : 1,296,369.45 = 233,223.90 : x
  2. Step 2: Convert to fraction form
    864,246.30/1,296,369.45 = 233,223.90/x
  3. Step 3: Cross multiply
    864,246.30x = 1,296,369.45 × 233,223.90
  4. Step 4: Simplify right side
    864,246.30x = 302,344,338,969.86
  5. Step 5: Solve for x
    x = 302,344,338,969.86/864,246.30
  6. Step 6: Final answer
    x = 349,835.85

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Double scale
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Similar ratio
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1.5x scale

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.