Home / 533,838.11-736,746.71-318,973.59

Finding the Fourth Proportional to 533,838.11, 736,746.71 and 318,973.59

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Solution

The fourth proportional to 533,838.11, 736,746.71 and 318,973.59 is: 440,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,838.11 : 736,746.71 = 318,973.59 : x
  2. Step 2: Convert to fraction form
    533,838.11/736,746.71 = 318,973.59/x
  3. Step 3: Cross multiply
    533,838.11x = 736,746.71 × 318,973.59
  4. Step 4: Simplify right side
    533,838.11x = 235,002,741,414.52
  5. Step 5: Solve for x
    x = 235,002,741,414.52/533,838.11
  6. Step 6: Final answer
    x = 440,213.50

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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.