Home / 1,016,169.79-1,402,316.30-557,287.60

Finding the Fourth Proportional to 1,016,169.79, 1,402,316.30 and 557,287.60

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Solution

The fourth proportional to 1,016,169.79, 1,402,316.30 and 557,287.60 is: 769,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,169.79 : 1,402,316.30 = 557,287.60 : x
  2. Step 2: Convert to fraction form
    1,016,169.79/1,402,316.30 = 557,287.60/x
  3. Step 3: Cross multiply
    1,016,169.79x = 1,402,316.30 × 557,287.60
  4. Step 4: Simplify right side
    1,016,169.79x = 781,493,475,469.86
  5. Step 5: Solve for x
    x = 781,493,475,469.86/1,016,169.79
  6. Step 6: Final answer
    x = 769,057.97

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Double scale
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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.