Home / 904,666.31-1,248,461.19-491,220.52

Finding the Fourth Proportional to 904,666.31, 1,248,461.19 and 491,220.52

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Solution

The fourth proportional to 904,666.31, 1,248,461.19 and 491,220.52 is: 677,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,666.31 : 1,248,461.19 = 491,220.52 : x
  2. Step 2: Convert to fraction form
    904,666.31/1,248,461.19 = 491,220.52/x
  3. Step 3: Cross multiply
    904,666.31x = 1,248,461.19 × 491,220.52
  4. Step 4: Simplify right side
    904,666.31x = 613,269,751,830.47
  5. Step 5: Solve for x
    x = 613,269,751,830.47/904,666.31
  6. Step 6: Final answer
    x = 677,896.09

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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.