Home / 398,582.92-597,876.54-118,102.60

Finding the Fourth Proportional to 398,582.92, 597,876.54 and 118,102.60

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Solution

The fourth proportional to 398,582.92, 597,876.54 and 118,102.60 is: 177,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,582.92 : 597,876.54 = 118,102.60 : x
  2. Step 2: Convert to fraction form
    398,582.92/597,876.54 = 118,102.60/x
  3. Step 3: Cross multiply
    398,582.92x = 597,876.54 × 118,102.60
  4. Step 4: Simplify right side
    398,582.92x = 70,610,773,853.00
  5. Step 5: Solve for x
    x = 70,610,773,853.00/398,582.92
  6. Step 6: Final answer
    x = 177,154.54

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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.