Home / 384,923.90-577,348.75-118,612.91

Finding the Fourth Proportional to 384,923.90, 577,348.75 and 118,612.91

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Solution

The fourth proportional to 384,923.90, 577,348.75 and 118,612.91 is: 177,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,923.90 : 577,348.75 = 118,612.91 : x
  2. Step 2: Convert to fraction form
    384,923.90/577,348.75 = 118,612.91/x
  3. Step 3: Cross multiply
    384,923.90x = 577,348.75 × 118,612.91
  4. Step 4: Simplify right side
    384,923.90x = 68,481,016,246.80
  5. Step 5: Solve for x
    x = 68,481,016,246.80/384,923.90
  6. Step 6: Final answer
    x = 177,907.93

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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.