Home / 533,845.94-736,707.40-292,128.56

Finding the Fourth Proportional to 533,845.94, 736,707.40 and 292,128.56

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Solution

The fourth proportional to 533,845.94, 736,707.40 and 292,128.56 is: 403,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,845.94 : 736,707.40 = 292,128.56 : x
  2. Step 2: Convert to fraction form
    533,845.94/736,707.40 = 292,128.56/x
  3. Step 3: Cross multiply
    533,845.94x = 736,707.40 × 292,128.56
  4. Step 4: Simplify right side
    533,845.94x = 215,213,271,903.34
  5. Step 5: Solve for x
    x = 215,213,271,903.34/533,845.94
  6. Step 6: Final answer
    x = 403,137.41

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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.