Home / 738,248.72-1,107,373.40-205,783.44

Finding the Fourth Proportional to 738,248.72, 1,107,373.40 and 205,783.44

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Solution

The fourth proportional to 738,248.72, 1,107,373.40 and 205,783.44 is: 308,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,248.72 : 1,107,373.40 = 205,783.44 : x
  2. Step 2: Convert to fraction form
    738,248.72/1,107,373.40 = 205,783.44/x
  3. Step 3: Cross multiply
    738,248.72x = 1,107,373.40 × 205,783.44
  4. Step 4: Simplify right side
    738,248.72x = 227,879,107,616.50
  5. Step 5: Solve for x
    x = 227,879,107,616.50/738,248.72
  6. Step 6: Final answer
    x = 308,675.25

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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.