Home / 591,621.57-816,540.35-571,938.57

Finding the Fourth Proportional to 591,621.57, 816,540.35 and 571,938.57

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Solution

The fourth proportional to 591,621.57, 816,540.35 and 571,938.57 is: 789,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,621.57 : 816,540.35 = 571,938.57 : x
  2. Step 2: Convert to fraction form
    591,621.57/816,540.35 = 571,938.57/x
  3. Step 3: Cross multiply
    591,621.57x = 816,540.35 × 571,938.57
  4. Step 4: Simplify right side
    591,621.57x = 467,010,917,266.61
  5. Step 5: Solve for x
    x = 467,010,917,266.61/591,621.57
  6. Step 6: Final answer
    x = 789,374.39

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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.