Home / 826,476.16-1,140,449.46-463,939.96

Finding the Fourth Proportional to 826,476.16, 1,140,449.46 and 463,939.96

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Solution

The fourth proportional to 826,476.16, 1,140,449.46 and 463,939.96 is: 640,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,476.16 : 1,140,449.46 = 463,939.96 : x
  2. Step 2: Convert to fraction form
    826,476.16/1,140,449.46 = 463,939.96/x
  3. Step 3: Cross multiply
    826,476.16x = 1,140,449.46 × 463,939.96
  4. Step 4: Simplify right side
    826,476.16x = 529,100,076,854.42
  5. Step 5: Solve for x
    x = 529,100,076,854.42/826,476.16
  6. Step 6: Final answer
    x = 640,187.95

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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.