Home / 851,096.47-1,174,513.13-469,131.45

Finding the Fourth Proportional to 851,096.47, 1,174,513.13 and 469,131.45

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Solution

The fourth proportional to 851,096.47, 1,174,513.13 and 469,131.45 is: 647,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,096.47 : 1,174,513.13 = 469,131.45 : x
  2. Step 2: Convert to fraction form
    851,096.47/1,174,513.13 = 469,131.45/x
  3. Step 3: Cross multiply
    851,096.47x = 1,174,513.13 × 469,131.45
  4. Step 4: Simplify right side
    851,096.47x = 551,001,047,720.94
  5. Step 5: Solve for x
    x = 551,001,047,720.94/851,096.47
  6. Step 6: Final answer
    x = 647,401.40

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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.