Home / 451,313.52-623,095.88-290,448.16

Finding the Fourth Proportional to 451,313.52, 623,095.88 and 290,448.16

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Solution

The fourth proportional to 451,313.52, 623,095.88 and 290,448.16 is: 401,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,313.52 : 623,095.88 = 290,448.16 : x
  2. Step 2: Convert to fraction form
    451,313.52/623,095.88 = 290,448.16/x
  3. Step 3: Cross multiply
    451,313.52x = 623,095.88 × 290,448.16
  4. Step 4: Simplify right side
    451,313.52x = 180,977,051,849.58
  5. Step 5: Solve for x
    x = 180,977,051,849.58/451,313.52
  6. Step 6: Final answer
    x = 401,000.73

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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.