Home / 448,581.76-619,090.84-274,254.25

Finding the Fourth Proportional to 448,581.76, 619,090.84 and 274,254.25

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Solution

The fourth proportional to 448,581.76, 619,090.84 and 274,254.25 is: 378,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,581.76 : 619,090.84 = 274,254.25 : x
  2. Step 2: Convert to fraction form
    448,581.76/619,090.84 = 274,254.25/x
  3. Step 3: Cross multiply
    448,581.76x = 619,090.84 × 274,254.25
  4. Step 4: Simplify right side
    448,581.76x = 169,788,294,006.07
  5. Step 5: Solve for x
    x = 169,788,294,006.07/448,581.76
  6. Step 6: Final answer
    x = 378,500.22

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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.