Home / 623,158.56-934,387.68-258,308.64

Finding the Fourth Proportional to 623,158.56, 934,387.68 and 258,308.64

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Solution

The fourth proportional to 623,158.56, 934,387.68 and 258,308.64 is: 387,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,158.56 : 934,387.68 = 258,308.64 : x
  2. Step 2: Convert to fraction form
    623,158.56/934,387.68 = 258,308.64/x
  3. Step 3: Cross multiply
    623,158.56x = 934,387.68 × 258,308.64
  4. Step 4: Simplify right side
    623,158.56x = 241,360,410,853.56
  5. Step 5: Solve for x
    x = 241,360,410,853.56/623,158.56
  6. Step 6: Final answer
    x = 387,317.81

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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.