Home / 529,012.59-730,037.19-287,295.23

Finding the Fourth Proportional to 529,012.59, 730,037.19 and 287,295.23

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Solution

The fourth proportional to 529,012.59, 730,037.19 and 287,295.23 is: 396,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,012.59 : 730,037.19 = 287,295.23 : x
  2. Step 2: Convert to fraction form
    529,012.59/730,037.19 = 287,295.23/x
  3. Step 3: Cross multiply
    529,012.59x = 730,037.19 × 287,295.23
  4. Step 4: Simplify right side
    529,012.59x = 209,736,198,759.42
  5. Step 5: Solve for x
    x = 209,736,198,759.42/529,012.59
  6. Step 6: Final answer
    x = 396,467.31

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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.