Home / 623,078.06-859,898.25-351,164.34

Finding the Fourth Proportional to 623,078.06, 859,898.25 and 351,164.34

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Solution

The fourth proportional to 623,078.06, 859,898.25 and 351,164.34 is: 484,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,078.06 : 859,898.25 = 351,164.34 : x
  2. Step 2: Convert to fraction form
    623,078.06/859,898.25 = 351,164.34/x
  3. Step 3: Cross multiply
    623,078.06x = 859,898.25 × 351,164.34
  4. Step 4: Simplify right side
    623,078.06x = 301,965,601,428.41
  5. Step 5: Solve for x
    x = 301,965,601,428.41/623,078.06
  6. Step 6: Final answer
    x = 484,635.27

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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.