Home / 885,646.18-1,222,156.52-523,186.44

Finding the Fourth Proportional to 885,646.18, 1,222,156.52 and 523,186.44

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Solution

The fourth proportional to 885,646.18, 1,222,156.52 and 523,186.44 is: 721,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,646.18 : 1,222,156.52 = 523,186.44 : x
  2. Step 2: Convert to fraction form
    885,646.18/1,222,156.52 = 523,186.44/x
  3. Step 3: Cross multiply
    885,646.18x = 1,222,156.52 × 523,186.44
  4. Step 4: Simplify right side
    885,646.18x = 639,415,718,821.59
  5. Step 5: Solve for x
    x = 639,415,718,821.59/885,646.18
  6. Step 6: Final answer
    x = 721,976.49

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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.