Home / 904,504.57-1,248,218.82-496,632.84

Finding the Fourth Proportional to 904,504.57, 1,248,218.82 and 496,632.84

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Solution

The fourth proportional to 904,504.57, 1,248,218.82 and 496,632.84 is: 685,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,504.57 : 1,248,218.82 = 496,632.84 : x
  2. Step 2: Convert to fraction form
    904,504.57/1,248,218.82 = 496,632.84/x
  3. Step 3: Cross multiply
    904,504.57x = 1,248,218.82 × 496,632.84
  4. Step 4: Simplify right side
    904,504.57x = 619,906,452,837.23
  5. Step 5: Solve for x
    x = 619,906,452,837.23/904,504.57
  6. Step 6: Final answer
    x = 685,354.70

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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.