Home / 919,217.54-1,268,002.15-551,599.58

Finding the Fourth Proportional to 919,217.54, 1,268,002.15 and 551,599.58

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Solution

The fourth proportional to 919,217.54, 1,268,002.15 and 551,599.58 is: 760,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,217.54 : 1,268,002.15 = 551,599.58 : x
  2. Step 2: Convert to fraction form
    919,217.54/1,268,002.15 = 551,599.58/x
  3. Step 3: Cross multiply
    919,217.54x = 1,268,002.15 × 551,599.58
  4. Step 4: Simplify right side
    919,217.54x = 699,429,444,281.09
  5. Step 5: Solve for x
    x = 699,429,444,281.09/919,217.54
  6. Step 6: Final answer
    x = 760,896.54

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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.