Home / 836,853.90-1,255,269.90-205,773.18

Finding the Fourth Proportional to 836,853.90, 1,255,269.90 and 205,773.18

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Solution

The fourth proportional to 836,853.90, 1,255,269.90 and 205,773.18 is: 308,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,853.90 : 1,255,269.90 = 205,773.18 : x
  2. Step 2: Convert to fraction form
    836,853.90/1,255,269.90 = 205,773.18/x
  3. Step 3: Cross multiply
    836,853.90x = 1,255,269.90 × 205,773.18
  4. Step 4: Simplify right side
    836,853.90x = 258,300,879,081.28
  5. Step 5: Solve for x
    x = 258,300,879,081.28/836,853.90
  6. Step 6: Final answer
    x = 308,657.08

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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.