Home / 790,197.64-1,090,475.49-427,621.41

Finding the Fourth Proportional to 790,197.64, 1,090,475.49 and 427,621.41

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Solution

The fourth proportional to 790,197.64, 1,090,475.49 and 427,621.41 is: 590,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,197.64 : 1,090,475.49 = 427,621.41 : x
  2. Step 2: Convert to fraction form
    790,197.64/1,090,475.49 = 427,621.41/x
  3. Step 3: Cross multiply
    790,197.64x = 1,090,475.49 × 427,621.41
  4. Step 4: Simplify right side
    790,197.64x = 466,310,661,151.86
  5. Step 5: Solve for x
    x = 466,310,661,151.86/790,197.64
  6. Step 6: Final answer
    x = 590,119.03

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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.