Home / 722,380.16-1,083,206.08-422,951.04

Finding the Fourth Proportional to 722,380.16, 1,083,206.08 and 422,951.04

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Solution

The fourth proportional to 722,380.16, 1,083,206.08 and 422,951.04 is: 634,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,380.16 : 1,083,206.08 = 422,951.04 : x
  2. Step 2: Convert to fraction form
    722,380.16/1,083,206.08 = 422,951.04/x
  3. Step 3: Cross multiply
    722,380.16x = 1,083,206.08 × 422,951.04
  4. Step 4: Simplify right side
    722,380.16x = 458,143,138,070.32
  5. Step 5: Solve for x
    x = 458,143,138,070.32/722,380.16
  6. Step 6: Final answer
    x = 634,213.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.