Home / 763,511.44-1,053,742.44-461,704.72

Finding the Fourth Proportional to 763,511.44, 1,053,742.44 and 461,704.72

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Solution

The fourth proportional to 763,511.44, 1,053,742.44 and 461,704.72 is: 637,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,511.44 : 1,053,742.44 = 461,704.72 : x
  2. Step 2: Convert to fraction form
    763,511.44/1,053,742.44 = 461,704.72/x
  3. Step 3: Cross multiply
    763,511.44x = 1,053,742.44 × 461,704.72
  4. Step 4: Simplify right side
    763,511.44x = 486,517,858,212.32
  5. Step 5: Solve for x
    x = 486,517,858,212.32/763,511.44
  6. Step 6: Final answer
    x = 637,210.96

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1.5x scale

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.