Home / 451,262.48-623,025.29-290,397.02

Finding the Fourth Proportional to 451,262.48, 623,025.29 and 290,397.02

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Solution

The fourth proportional to 451,262.48, 623,025.29 and 290,397.02 is: 400,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,262.48 : 623,025.29 = 290,397.02 : x
  2. Step 2: Convert to fraction form
    451,262.48/623,025.29 = 290,397.02/x
  3. Step 3: Cross multiply
    451,262.48x = 623,025.29 × 290,397.02
  4. Step 4: Simplify right side
    451,262.48x = 180,924,686,148.65
  5. Step 5: Solve for x
    x = 180,924,686,148.65/451,262.48
  6. Step 6: Final answer
    x = 400,930.04

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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.