Home / 1,613,784.75-2,227,022.95-888,630.74

Finding the Fourth Proportional to 1,613,784.75, 2,227,022.95 and 888,630.74

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Solution

The fourth proportional to 1,613,784.75, 2,227,022.95 and 888,630.74 is: 1,226,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,784.75 : 2,227,022.95 = 888,630.74 : x
  2. Step 2: Convert to fraction form
    1,613,784.75/2,227,022.95 = 888,630.74/x
  3. Step 3: Cross multiply
    1,613,784.75x = 2,227,022.95 × 888,630.74
  4. Step 4: Simplify right side
    1,613,784.75x = 1,979,001,052,055.48
  5. Step 5: Solve for x
    x = 1,979,001,052,055.48/1,613,784.75
  6. Step 6: Final answer
    x = 1,226,310.42

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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.