Home / 1,695,725.80-2,543,588.70-433,486.60

Finding the Fourth Proportional to 1,695,725.80, 2,543,588.70 and 433,486.60

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Solution

The fourth proportional to 1,695,725.80, 2,543,588.70 and 433,486.60 is: 650,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,725.80 : 2,543,588.70 = 433,486.60 : x
  2. Step 2: Convert to fraction form
    1,695,725.80/2,543,588.70 = 433,486.60/x
  3. Step 3: Cross multiply
    1,695,725.80x = 2,543,588.70 × 433,486.60
  4. Step 4: Simplify right side
    1,695,725.80x = 1,102,611,617,361.42
  5. Step 5: Solve for x
    x = 1,102,611,617,361.42/1,695,725.80
  6. Step 6: Final answer
    x = 650,229.90

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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.