Home / 405,844.28-608,044.14-346,073.60

Finding the Fourth Proportional to 405,844.28, 608,044.14 and 346,073.60

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Solution

The fourth proportional to 405,844.28, 608,044.14 and 346,073.60 is: 518,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,844.28 : 608,044.14 = 346,073.60 : x
  2. Step 2: Convert to fraction form
    405,844.28/608,044.14 = 346,073.60/x
  3. Step 3: Cross multiply
    405,844.28x = 608,044.14 × 346,073.60
  4. Step 4: Simplify right side
    405,844.28x = 210,428,024,488.70
  5. Step 5: Solve for x
    x = 210,428,024,488.70/405,844.28
  6. Step 6: Final answer
    x = 518,494.49

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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.