Home / 458,185.63-630,054.03-397,651.14

Finding the Fourth Proportional to 458,185.63, 630,054.03 and 397,651.14

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Solution

The fourth proportional to 458,185.63, 630,054.03 and 397,651.14 is: 546,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,185.63 : 630,054.03 = 397,651.14 : x
  2. Step 2: Convert to fraction form
    458,185.63/630,054.03 = 397,651.14/x
  3. Step 3: Cross multiply
    458,185.63x = 630,054.03 × 397,651.14
  4. Step 4: Simplify right side
    458,185.63x = 250,541,703,291.09
  5. Step 5: Solve for x
    x = 250,541,703,291.09/458,185.63
  6. Step 6: Final answer
    x = 546,812.66

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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.