Home / 1,774,170.50-2,661,255.47-426,333.11

Finding the Fourth Proportional to 1,774,170.50, 2,661,255.47 and 426,333.11

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Solution

The fourth proportional to 1,774,170.50, 2,661,255.47 and 426,333.11 is: 639,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,170.50 : 2,661,255.47 = 426,333.11 : x
  2. Step 2: Convert to fraction form
    1,774,170.50/2,661,255.47 = 426,333.11/x
  3. Step 3: Cross multiply
    1,774,170.50x = 2,661,255.47 × 426,333.11
  4. Step 4: Simplify right side
    1,774,170.50x = 1,134,581,325,551.08
  5. Step 5: Solve for x
    x = 1,134,581,325,551.08/1,774,170.50
  6. Step 6: Final answer
    x = 639,499.60

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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.