Home / 448,330.55-618,707.67-254,731.84

Finding the Fourth Proportional to 448,330.55, 618,707.67 and 254,731.84

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Solution

The fourth proportional to 448,330.55, 618,707.67 and 254,731.84 is: 351,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,330.55 : 618,707.67 = 254,731.84 : x
  2. Step 2: Convert to fraction form
    448,330.55/618,707.67 = 254,731.84/x
  3. Step 3: Cross multiply
    448,330.55x = 618,707.67 × 254,731.84
  4. Step 4: Simplify right side
    448,330.55x = 157,604,540,699.20
  5. Step 5: Solve for x
    x = 157,604,540,699.20/448,330.55
  6. Step 6: Final answer
    x = 351,536.48

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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.