Home / 898,229.43-1,239,262.23-640,147.02

Finding the Fourth Proportional to 898,229.43, 1,239,262.23 and 640,147.02

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Solution

The fourth proportional to 898,229.43, 1,239,262.23 and 640,147.02 is: 883,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,229.43 : 1,239,262.23 = 640,147.02 : x
  2. Step 2: Convert to fraction form
    898,229.43/1,239,262.23 = 640,147.02/x
  3. Step 3: Cross multiply
    898,229.43x = 1,239,262.23 × 640,147.02
  4. Step 4: Simplify right side
    898,229.43x = 793,310,023,533.06
  5. Step 5: Solve for x
    x = 793,310,023,533.06/898,229.43
  6. Step 6: Final answer
    x = 883,193.09

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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.