Home / 700,845.42-1,051,355.72-274,326.21

Finding the Fourth Proportional to 700,845.42, 1,051,355.72 and 274,326.21

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Solution

The fourth proportional to 700,845.42, 1,051,355.72 and 274,326.21 is: 411,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,845.42 : 1,051,355.72 = 274,326.21 : x
  2. Step 2: Convert to fraction form
    700,845.42/1,051,355.72 = 274,326.21/x
  3. Step 3: Cross multiply
    700,845.42x = 1,051,355.72 × 274,326.21
  4. Step 4: Simplify right side
    700,845.42x = 288,414,430,715.24
  5. Step 5: Solve for x
    x = 288,414,430,715.24/700,845.42
  6. Step 6: Final answer
    x = 411,523.60

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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.