Home / 738,997.98-1,107,369.45-384,127.26

Finding the Fourth Proportional to 738,997.98, 1,107,369.45 and 384,127.26

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Solution

The fourth proportional to 738,997.98, 1,107,369.45 and 384,127.26 is: 575,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,997.98 : 1,107,369.45 = 384,127.26 : x
  2. Step 2: Convert to fraction form
    738,997.98/1,107,369.45 = 384,127.26/x
  3. Step 3: Cross multiply
    738,997.98x = 1,107,369.45 × 384,127.26
  4. Step 4: Simplify right side
    738,997.98x = 425,370,792,636.21
  5. Step 5: Solve for x
    x = 425,370,792,636.21/738,997.98
  6. Step 6: Final answer
    x = 575,604.81

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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.