Home / 808,353.96-1,212,530.82-453,395.70

Finding the Fourth Proportional to 808,353.96, 1,212,530.82 and 453,395.70

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Solution

The fourth proportional to 808,353.96, 1,212,530.82 and 453,395.70 is: 680,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,353.96 : 1,212,530.82 = 453,395.70 : x
  2. Step 2: Convert to fraction form
    808,353.96/1,212,530.82 = 453,395.70/x
  3. Step 3: Cross multiply
    808,353.96x = 1,212,530.82 × 453,395.70
  4. Step 4: Simplify right side
    808,353.96x = 549,756,259,905.47
  5. Step 5: Solve for x
    x = 549,756,259,905.47/808,353.96
  6. Step 6: Final answer
    x = 680,093.48

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Similar ratio
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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.