Home / 715,773.74-1,073,483.51-427,664.03

Finding the Fourth Proportional to 715,773.74, 1,073,483.51 and 427,664.03

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Solution

The fourth proportional to 715,773.74, 1,073,483.51 and 427,664.03 is: 641,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,773.74 : 1,073,483.51 = 427,664.03 : x
  2. Step 2: Convert to fraction form
    715,773.74/1,073,483.51 = 427,664.03/x
  3. Step 3: Cross multiply
    715,773.74x = 1,073,483.51 × 427,664.03
  4. Step 4: Simplify right side
    715,773.74x = 459,090,276,519.41
  5. Step 5: Solve for x
    x = 459,090,276,519.41/715,773.74
  6. Step 6: Final answer
    x = 641,390.22

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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.