Home / 862,827.50-1,190,705.69-475,634.61

Finding the Fourth Proportional to 862,827.50, 1,190,705.69 and 475,634.61

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Solution

The fourth proportional to 862,827.50, 1,190,705.69 and 475,634.61 is: 656,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,827.50 : 1,190,705.69 = 475,634.61 : x
  2. Step 2: Convert to fraction form
    862,827.50/1,190,705.69 = 475,634.61/x
  3. Step 3: Cross multiply
    862,827.50x = 1,190,705.69 × 475,634.61
  4. Step 4: Simplify right side
    862,827.50x = 566,340,837,677.02
  5. Step 5: Solve for x
    x = 566,340,837,677.02/862,827.50
  6. Step 6: Final answer
    x = 656,377.82

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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.