Home / 570,636.44-787,468.60-315,982.16

Finding the Fourth Proportional to 570,636.44, 787,468.60 and 315,982.16

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Solution

The fourth proportional to 570,636.44, 787,468.60 and 315,982.16 is: 436,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,636.44 : 787,468.60 = 315,982.16 : x
  2. Step 2: Convert to fraction form
    570,636.44/787,468.60 = 315,982.16/x
  3. Step 3: Cross multiply
    570,636.44x = 787,468.60 × 315,982.16
  4. Step 4: Simplify right side
    570,636.44x = 248,826,029,160.18
  5. Step 5: Solve for x
    x = 248,826,029,160.18/570,636.44
  6. Step 6: Final answer
    x = 436,050.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.