Home / 533,724.72-736,419.54-318,822.72

Finding the Fourth Proportional to 533,724.72, 736,419.54 and 318,822.72

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Solution

The fourth proportional to 533,724.72, 736,419.54 and 318,822.72 is: 439,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,724.72 : 736,419.54 = 318,822.72 : x
  2. Step 2: Convert to fraction form
    533,724.72/736,419.54 = 318,822.72/x
  3. Step 3: Cross multiply
    533,724.72x = 736,419.54 × 318,822.72
  4. Step 4: Simplify right side
    533,724.72x = 234,787,280,803.95
  5. Step 5: Solve for x
    x = 234,787,280,803.95/533,724.72
  6. Step 6: Final answer
    x = 439,903.33

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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.