Home / 710,744.48-1,066,447.20-311,333.48

Finding the Fourth Proportional to 710,744.48, 1,066,447.20 and 311,333.48

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Solution

The fourth proportional to 710,744.48, 1,066,447.20 and 311,333.48 is: 467,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,744.48 : 1,066,447.20 = 311,333.48 : x
  2. Step 2: Convert to fraction form
    710,744.48/1,066,447.20 = 311,333.48/x
  3. Step 3: Cross multiply
    710,744.48x = 1,066,447.20 × 311,333.48
  4. Step 4: Simplify right side
    710,744.48x = 332,020,718,012.26
  5. Step 5: Solve for x
    x = 332,020,718,012.26/710,744.48
  6. Step 6: Final answer
    x = 467,144.98

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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.