Home / 851,324.46-1,174,835.91-469,364.94

Finding the Fourth Proportional to 851,324.46, 1,174,835.91 and 469,364.94

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Solution

The fourth proportional to 851,324.46, 1,174,835.91 and 469,364.94 is: 647,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,324.46 : 1,174,835.91 = 469,364.94 : x
  2. Step 2: Convert to fraction form
    851,324.46/1,174,835.91 = 469,364.94/x
  3. Step 3: Cross multiply
    851,324.46x = 1,174,835.91 × 469,364.94
  4. Step 4: Simplify right side
    851,324.46x = 551,426,786,407.00
  5. Step 5: Solve for x
    x = 551,426,786,407.00/851,324.46
  6. Step 6: Final answer
    x = 647,728.11

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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.