Home / 440,717.76-608,090.40-249,687.36

Finding the Fourth Proportional to 440,717.76, 608,090.40 and 249,687.36

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Solution

The fourth proportional to 440,717.76, 608,090.40 and 249,687.36 is: 344,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,717.76 : 608,090.40 = 249,687.36 : x
  2. Step 2: Convert to fraction form
    440,717.76/608,090.40 = 249,687.36/x
  3. Step 3: Cross multiply
    440,717.76x = 608,090.40 × 249,687.36
  4. Step 4: Simplify right side
    440,717.76x = 151,832,486,617.34
  5. Step 5: Solve for x
    x = 151,832,486,617.34/440,717.76
  6. Step 6: Final answer
    x = 344,511.84

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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.