Home / 873,523.20-1,205,461.49-491,550.33

Finding the Fourth Proportional to 873,523.20, 1,205,461.49 and 491,550.33

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Solution

The fourth proportional to 873,523.20, 1,205,461.49 and 491,550.33 is: 678,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,523.20 : 1,205,461.49 = 491,550.33 : x
  2. Step 2: Convert to fraction form
    873,523.20/1,205,461.49 = 491,550.33/x
  3. Step 3: Cross multiply
    873,523.20x = 1,205,461.49 × 491,550.33
  4. Step 4: Simplify right side
    873,523.20x = 592,544,990,754.04
  5. Step 5: Solve for x
    x = 592,544,990,754.04/873,523.20
  6. Step 6: Final answer
    x = 678,339.16

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Double scale
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Similar ratio
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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.