Home / 855,801.66-1,181,002.16-463,334.86

Finding the Fourth Proportional to 855,801.66, 1,181,002.16 and 463,334.86

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Solution

The fourth proportional to 855,801.66, 1,181,002.16 and 463,334.86 is: 639,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,801.66 : 1,181,002.16 = 463,334.86 : x
  2. Step 2: Convert to fraction form
    855,801.66/1,181,002.16 = 463,334.86/x
  3. Step 3: Cross multiply
    855,801.66x = 1,181,002.16 × 463,334.86
  4. Step 4: Simplify right side
    855,801.66x = 547,199,468,669.13
  5. Step 5: Solve for x
    x = 547,199,468,669.13/855,801.66
  6. Step 6: Final answer
    x = 639,399.87

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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.