Home / 612,568.85-845,365.55-336,938.36

Finding the Fourth Proportional to 612,568.85, 845,365.55 and 336,938.36

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Solution

The fourth proportional to 612,568.85, 845,365.55 and 336,938.36 is: 464,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,568.85 : 845,365.55 = 336,938.36 : x
  2. Step 2: Convert to fraction form
    612,568.85/845,365.55 = 336,938.36/x
  3. Step 3: Cross multiply
    612,568.85x = 845,365.55 × 336,938.36
  4. Step 4: Simplify right side
    612,568.85x = 284,836,076,105.98
  5. Step 5: Solve for x
    x = 284,836,076,105.98/612,568.85
  6. Step 6: Final answer
    x = 464,986.23

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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.