Home / 904,663.59-1,248,457.44-491,217.79

Finding the Fourth Proportional to 904,663.59, 1,248,457.44 and 491,217.79

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Solution

The fourth proportional to 904,663.59, 1,248,457.44 and 491,217.79 is: 677,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,663.59 : 1,248,457.44 = 491,217.79 : x
  2. Step 2: Convert to fraction form
    904,663.59/1,248,457.44 = 491,217.79/x
  3. Step 3: Cross multiply
    904,663.59x = 1,248,457.44 × 491,217.79
  4. Step 4: Simplify right side
    904,663.59x = 613,264,502,884.54
  5. Step 5: Solve for x
    x = 613,264,502,884.54/904,663.59
  6. Step 6: Final answer
    x = 677,892.33

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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.