Home / 873,617.32-1,205,392.44-491,504.68

Finding the Fourth Proportional to 873,617.32, 1,205,392.44 and 491,504.68

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Solution

The fourth proportional to 873,617.32, 1,205,392.44 and 491,504.68 is: 678,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,617.32 : 1,205,392.44 = 491,504.68 : x
  2. Step 2: Convert to fraction form
    873,617.32/1,205,392.44 = 491,504.68/x
  3. Step 3: Cross multiply
    873,617.32x = 1,205,392.44 × 491,504.68
  4. Step 4: Simplify right side
    873,617.32x = 592,456,025,496.62
  5. Step 5: Solve for x
    x = 592,456,025,496.62/873,617.32
  6. Step 6: Final answer
    x = 678,164.24

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Double scale
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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.