Home / 470,543.20-649,353.71-255,683.26

Finding the Fourth Proportional to 470,543.20, 649,353.71 and 255,683.26

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Solution

The fourth proportional to 470,543.20, 649,353.71 and 255,683.26 is: 352,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,543.20 : 649,353.71 = 255,683.26 : x
  2. Step 2: Convert to fraction form
    470,543.20/649,353.71 = 255,683.26/x
  3. Step 3: Cross multiply
    470,543.20x = 649,353.71 × 255,683.26
  4. Step 4: Simplify right side
    470,543.20x = 166,028,873,465.90
  5. Step 5: Solve for x
    x = 166,028,873,465.90/470,543.20
  6. Step 6: Final answer
    x = 352,845.12

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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.