Home / 1,427,685.28-1,970,200.16-883,712.64

Finding the Fourth Proportional to 1,427,685.28, 1,970,200.16 and 883,712.64

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Solution

The fourth proportional to 1,427,685.28, 1,970,200.16 and 883,712.64 is: 1,219,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,685.28 : 1,970,200.16 = 883,712.64 : x
  2. Step 2: Convert to fraction form
    1,427,685.28/1,970,200.16 = 883,712.64/x
  3. Step 3: Cross multiply
    1,427,685.28x = 1,970,200.16 × 883,712.64
  4. Step 4: Simplify right side
    1,427,685.28x = 1,741,090,784,722.02
  5. Step 5: Solve for x
    x = 1,741,090,784,722.02/1,427,685.28
  6. Step 6: Final answer
    x = 1,219,520.02

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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.