Home / 945,442.41-1,418,175.96-314,356.22

Finding the Fourth Proportional to 945,442.41, 1,418,175.96 and 314,356.22

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Solution

The fourth proportional to 945,442.41, 1,418,175.96 and 314,356.22 is: 471,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,442.41 : 1,418,175.96 = 314,356.22 : x
  2. Step 2: Convert to fraction form
    945,442.41/1,418,175.96 = 314,356.22/x
  3. Step 3: Cross multiply
    945,442.41x = 1,418,175.96 × 314,356.22
  4. Step 4: Simplify right side
    945,442.41x = 445,812,432,897.17
  5. Step 5: Solve for x
    x = 445,812,432,897.17/945,442.41
  6. Step 6: Final answer
    x = 471,538.44

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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.