Home / 1,007,777.34-1,511,656.59-408,596.10

Finding the Fourth Proportional to 1,007,777.34, 1,511,656.59 and 408,596.10

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Solution

The fourth proportional to 1,007,777.34, 1,511,656.59 and 408,596.10 is: 612,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,777.34 : 1,511,656.59 = 408,596.10 : x
  2. Step 2: Convert to fraction form
    1,007,777.34/1,511,656.59 = 408,596.10/x
  3. Step 3: Cross multiply
    1,007,777.34x = 1,511,656.59 × 408,596.10
  4. Step 4: Simplify right side
    1,007,777.34x = 617,656,987,213.30
  5. Step 5: Solve for x
    x = 617,656,987,213.30/1,007,777.34
  6. Step 6: Final answer
    x = 612,890.33

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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.