Home / 384,931.25-577,359.73-118,620.26

Finding the Fourth Proportional to 384,931.25, 577,359.73 and 118,620.26

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Solution

The fourth proportional to 384,931.25, 577,359.73 and 118,620.26 is: 177,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,931.25 : 577,359.73 = 118,620.26 : x
  2. Step 2: Convert to fraction form
    384,931.25/577,359.73 = 118,620.26/x
  3. Step 3: Cross multiply
    384,931.25x = 577,359.73 × 118,620.26
  4. Step 4: Simplify right side
    384,931.25x = 68,486,560,693.03
  5. Step 5: Solve for x
    x = 68,486,560,693.03/384,931.25
  6. Step 6: Final answer
    x = 177,918.94

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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.