Home / 528,928.45-730,232.76-322,274.77

Finding the Fourth Proportional to 528,928.45, 730,232.76 and 322,274.77

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Solution

The fourth proportional to 528,928.45, 730,232.76 and 322,274.77 is: 444,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,928.45 : 730,232.76 = 322,274.77 : x
  2. Step 2: Convert to fraction form
    528,928.45/730,232.76 = 322,274.77/x
  3. Step 3: Cross multiply
    528,928.45x = 730,232.76 × 322,274.77
  4. Step 4: Simplify right side
    528,928.45x = 235,335,594,775.47
  5. Step 5: Solve for x
    x = 235,335,594,775.47/528,928.45
  6. Step 6: Final answer
    x = 444,928.98

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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.