Home / 529,264.56-730,382.04-287,545.44

Finding the Fourth Proportional to 529,264.56, 730,382.04 and 287,545.44

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Solution

The fourth proportional to 529,264.56, 730,382.04 and 287,545.44 is: 396,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,264.56 : 730,382.04 = 287,545.44 : x
  2. Step 2: Convert to fraction form
    529,264.56/730,382.04 = 287,545.44/x
  3. Step 3: Cross multiply
    529,264.56x = 730,382.04 × 287,545.44
  4. Step 4: Simplify right side
    529,264.56x = 210,018,025,059.90
  5. Step 5: Solve for x
    x = 210,018,025,059.90/529,264.56
  6. Step 6: Final answer
    x = 396,811.05

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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.