Home / 710,412.60-1,064,874.54-331,020.54

Finding the Fourth Proportional to 710,412.60, 1,064,874.54 and 331,020.54

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Solution

The fourth proportional to 710,412.60, 1,064,874.54 and 331,020.54 is: 496,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,412.60 : 1,064,874.54 = 331,020.54 : x
  2. Step 2: Convert to fraction form
    710,412.60/1,064,874.54 = 331,020.54/x
  3. Step 3: Cross multiply
    710,412.60x = 1,064,874.54 × 331,020.54
  4. Step 4: Simplify right side
    710,412.60x = 352,495,345,263.05
  5. Step 5: Solve for x
    x = 352,495,345,263.05/710,412.60
  6. Step 6: Final answer
    x = 496,183.97

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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.