Home / 470,207.22-649,084.59-317,452.31

Finding the Fourth Proportional to 470,207.22, 649,084.59 and 317,452.31

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Solution

The fourth proportional to 470,207.22, 649,084.59 and 317,452.31 is: 438,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,207.22 : 649,084.59 = 317,452.31 : x
  2. Step 2: Convert to fraction form
    470,207.22/649,084.59 = 317,452.31/x
  3. Step 3: Cross multiply
    470,207.22x = 649,084.59 × 317,452.31
  4. Step 4: Simplify right side
    470,207.22x = 206,053,399,235.48
  5. Step 5: Solve for x
    x = 206,053,399,235.48/470,207.22
  6. Step 6: Final answer
    x = 438,218.28

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1.5x scale

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.