Home / 744,455.18-1,116,848.84-271,140.54

Finding the Fourth Proportional to 744,455.18, 1,116,848.84 and 271,140.54

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Solution

The fourth proportional to 744,455.18, 1,116,848.84 and 271,140.54 is: 406,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,455.18 : 1,116,848.84 = 271,140.54 : x
  2. Step 2: Convert to fraction form
    744,455.18/1,116,848.84 = 271,140.54/x
  3. Step 3: Cross multiply
    744,455.18x = 1,116,848.84 × 271,140.54
  4. Step 4: Simplify right side
    744,455.18x = 302,822,997,842.28
  5. Step 5: Solve for x
    x = 302,822,997,842.28/744,455.18
  6. Step 6: Final answer
    x = 406,771.30

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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.