Home / 919,233.60-1,268,024.20-551,615.60

Finding the Fourth Proportional to 919,233.60, 1,268,024.20 and 551,615.60

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Solution

The fourth proportional to 919,233.60, 1,268,024.20 and 551,615.60 is: 760,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,233.60 : 1,268,024.20 = 551,615.60 : x
  2. Step 2: Convert to fraction form
    919,233.60/1,268,024.20 = 551,615.60/x
  3. Step 3: Cross multiply
    919,233.60x = 1,268,024.20 × 551,615.60
  4. Step 4: Simplify right side
    919,233.60x = 699,461,929,897.52
  5. Step 5: Solve for x
    x = 699,461,929,897.52/919,233.60
  6. Step 6: Final answer
    x = 760,918.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.