Home / 807,919.11-1,114,985.45-463,811.06

Finding the Fourth Proportional to 807,919.11, 1,114,985.45 and 463,811.06

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Solution

The fourth proportional to 807,919.11, 1,114,985.45 and 463,811.06 is: 640,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,919.11 : 1,114,985.45 = 463,811.06 : x
  2. Step 2: Convert to fraction form
    807,919.11/1,114,985.45 = 463,811.06/x
  3. Step 3: Cross multiply
    807,919.11x = 1,114,985.45 × 463,811.06
  4. Step 4: Simplify right side
    807,919.11x = 517,142,587,396.07
  5. Step 5: Solve for x
    x = 517,142,587,396.07/807,919.11
  6. Step 6: Final answer
    x = 640,092.04

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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.