Home / 791,558.19-1,091,688.44-519,414.39

Finding the Fourth Proportional to 791,558.19, 1,091,688.44 and 519,414.39

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Solution

The fourth proportional to 791,558.19, 1,091,688.44 and 519,414.39 is: 716,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,558.19 : 1,091,688.44 = 519,414.39 : x
  2. Step 2: Convert to fraction form
    791,558.19/1,091,688.44 = 519,414.39/x
  3. Step 3: Cross multiply
    791,558.19x = 1,091,688.44 × 519,414.39
  4. Step 4: Simplify right side
    791,558.19x = 567,038,682,535.58
  5. Step 5: Solve for x
    x = 567,038,682,535.58/791,558.19
  6. Step 6: Final answer
    x = 716,357.55

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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.