Home / 470,516.45-649,316.66-255,656.52

Finding the Fourth Proportional to 470,516.45, 649,316.66 and 255,656.52

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Solution

The fourth proportional to 470,516.45, 649,316.66 and 255,656.52 is: 352,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,516.45 : 649,316.66 = 255,656.52 : x
  2. Step 2: Convert to fraction form
    470,516.45/649,316.66 = 255,656.52/x
  3. Step 3: Cross multiply
    470,516.45x = 649,316.66 × 255,656.52
  4. Step 4: Simplify right side
    470,516.45x = 166,002,037,673.62
  5. Step 5: Solve for x
    x = 166,002,037,673.62/470,516.45
  6. Step 6: Final answer
    x = 352,808.15

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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.