Home / 836,623.02-1,255,131.35-275,657.50

Finding the Fourth Proportional to 836,623.02, 1,255,131.35 and 275,657.50

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Solution

The fourth proportional to 836,623.02, 1,255,131.35 and 275,657.50 is: 413,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,623.02 : 1,255,131.35 = 275,657.50 : x
  2. Step 2: Convert to fraction form
    836,623.02/1,255,131.35 = 275,657.50/x
  3. Step 3: Cross multiply
    836,623.02x = 1,255,131.35 × 275,657.50
  4. Step 4: Simplify right side
    836,623.02x = 345,986,370,112.63
  5. Step 5: Solve for x
    x = 345,986,370,112.63/836,623.02
  6. Step 6: Final answer
    x = 413,551.10

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Half scale
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Double scale
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Similar ratio
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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.