Home / 448,291.49-618,638.28-244,342.40

Finding the Fourth Proportional to 448,291.49, 618,638.28 and 244,342.40

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Solution

The fourth proportional to 448,291.49, 618,638.28 and 244,342.40 is: 337,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,291.49 : 618,638.28 = 244,342.40 : x
  2. Step 2: Convert to fraction form
    448,291.49/618,638.28 = 244,342.40/x
  3. Step 3: Cross multiply
    448,291.49x = 618,638.28 × 244,342.40
  4. Step 4: Simplify right side
    448,291.49x = 151,159,558,973.88
  5. Step 5: Solve for x
    x = 151,159,558,973.88/448,291.49
  6. Step 6: Final answer
    x = 337,190.34

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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.