Home / 758,445.20-1,137,460.44-285,094.16

Finding the Fourth Proportional to 758,445.20, 1,137,460.44 and 285,094.16

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Solution

The fourth proportional to 758,445.20, 1,137,460.44 and 285,094.16 is: 427,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,445.20 : 1,137,460.44 = 285,094.16 : x
  2. Step 2: Convert to fraction form
    758,445.20/1,137,460.44 = 285,094.16/x
  3. Step 3: Cross multiply
    758,445.20x = 1,137,460.44 × 285,094.16
  4. Step 4: Simplify right side
    758,445.20x = 324,283,328,675.03
  5. Step 5: Solve for x
    x = 324,283,328,675.03/758,445.20
  6. Step 6: Final answer
    x = 427,563.29

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Double scale
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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.