Home / 814,204.08-1,219,673.16-414,828.72

Finding the Fourth Proportional to 814,204.08, 1,219,673.16 and 414,828.72

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Solution

The fourth proportional to 814,204.08, 1,219,673.16 and 414,828.72 is: 621,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,204.08 : 1,219,673.16 = 414,828.72 : x
  2. Step 2: Convert to fraction form
    814,204.08/1,219,673.16 = 414,828.72/x
  3. Step 3: Cross multiply
    814,204.08x = 1,219,673.16 × 414,828.72
  4. Step 4: Simplify right side
    814,204.08x = 505,955,455,781.16
  5. Step 5: Solve for x
    x = 505,955,455,781.16/814,204.08
  6. Step 6: Final answer
    x = 621,411.10

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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.