Home / 904,897.56-1,356,881.22-478,662.60

Finding the Fourth Proportional to 904,897.56, 1,356,881.22 and 478,662.60

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Solution

The fourth proportional to 904,897.56, 1,356,881.22 and 478,662.60 is: 717,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,897.56 : 1,356,881.22 = 478,662.60 : x
  2. Step 2: Convert to fraction form
    904,897.56/1,356,881.22 = 478,662.60/x
  3. Step 3: Cross multiply
    904,897.56x = 1,356,881.22 × 478,662.60
  4. Step 4: Simplify right side
    904,897.56x = 649,488,292,656.37
  5. Step 5: Solve for x
    x = 649,488,292,656.37/904,897.56
  6. Step 6: Final answer
    x = 717,747.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.