Home / 855,181.98-1,282,967.13-455,612.22

Finding the Fourth Proportional to 855,181.98, 1,282,967.13 and 455,612.22

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Solution

The fourth proportional to 855,181.98, 1,282,967.13 and 455,612.22 is: 683,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,181.98 : 1,282,967.13 = 455,612.22 : x
  2. Step 2: Convert to fraction form
    855,181.98/1,282,967.13 = 455,612.22/x
  3. Step 3: Cross multiply
    855,181.98x = 1,282,967.13 × 455,612.22
  4. Step 4: Simplify right side
    855,181.98x = 584,535,502,286.33
  5. Step 5: Solve for x
    x = 584,535,502,286.33/855,181.98
  6. Step 6: Final answer
    x = 683,521.77

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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.