Home / 445,853.40-668,967.66-277,514.52

Finding the Fourth Proportional to 445,853.40, 668,967.66 and 277,514.52

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Solution

The fourth proportional to 445,853.40, 668,967.66 and 277,514.52 is: 416,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,853.40 : 668,967.66 = 277,514.52 : x
  2. Step 2: Convert to fraction form
    445,853.40/668,967.66 = 277,514.52/x
  3. Step 3: Cross multiply
    445,853.40x = 668,967.66 × 277,514.52
  4. Step 4: Simplify right side
    445,853.40x = 185,648,239,060.42
  5. Step 5: Solve for x
    x = 185,648,239,060.42/445,853.40
  6. Step 6: Final answer
    x = 416,388.52

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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.