Home / 515,619.60-773,623.80-249,615.60

Finding the Fourth Proportional to 515,619.60, 773,623.80 and 249,615.60

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Solution

The fourth proportional to 515,619.60, 773,623.80 and 249,615.60 is: 374,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,619.60 : 773,623.80 = 249,615.60 : x
  2. Step 2: Convert to fraction form
    515,619.60/773,623.80 = 249,615.60/x
  3. Step 3: Cross multiply
    515,619.60x = 773,623.80 × 249,615.60
  4. Step 4: Simplify right side
    515,619.60x = 193,108,569,011.28
  5. Step 5: Solve for x
    x = 193,108,569,011.28/515,619.60
  6. Step 6: Final answer
    x = 374,517.51

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1.5x scale

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.