Home / 458,536.10-687,804.15-334,120.10

Finding the Fourth Proportional to 458,536.10, 687,804.15 and 334,120.10

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Solution

The fourth proportional to 458,536.10, 687,804.15 and 334,120.10 is: 501,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,536.10 : 687,804.15 = 334,120.10 : x
  2. Step 2: Convert to fraction form
    458,536.10/687,804.15 = 334,120.10/x
  3. Step 3: Cross multiply
    458,536.10x = 687,804.15 × 334,120.10
  4. Step 4: Simplify right side
    458,536.10x = 229,809,191,378.42
  5. Step 5: Solve for x
    x = 229,809,191,378.42/458,536.10
  6. Step 6: Final answer
    x = 501,180.15

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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.