Home / 798,272.85-1,101,447.84-507,778.63

Finding the Fourth Proportional to 798,272.85, 1,101,447.84 and 507,778.63

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Solution

The fourth proportional to 798,272.85, 1,101,447.84 and 507,778.63 is: 700,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,272.85 : 1,101,447.84 = 507,778.63 : x
  2. Step 2: Convert to fraction form
    798,272.85/1,101,447.84 = 507,778.63/x
  3. Step 3: Cross multiply
    798,272.85x = 1,101,447.84 × 507,778.63
  4. Step 4: Simplify right side
    798,272.85x = 559,291,675,211.66
  5. Step 5: Solve for x
    x = 559,291,675,211.66/798,272.85
  6. Step 6: Final answer
    x = 700,627.20

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Double scale
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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.