Home / 846,354.79-1,167,991.10-464,381.47

Finding the Fourth Proportional to 846,354.79, 1,167,991.10 and 464,381.47

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Solution

The fourth proportional to 846,354.79, 1,167,991.10 and 464,381.47 is: 640,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,354.79 : 1,167,991.10 = 464,381.47 : x
  2. Step 2: Convert to fraction form
    846,354.79/1,167,991.10 = 464,381.47/x
  3. Step 3: Cross multiply
    846,354.79x = 1,167,991.10 × 464,381.47
  4. Step 4: Simplify right side
    846,354.79x = 542,393,423,964.92
  5. Step 5: Solve for x
    x = 542,393,423,964.92/846,354.79
  6. Step 6: Final answer
    x = 640,858.22

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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.