Home / 434,583.20-651,874.80-119,039.60

Finding the Fourth Proportional to 434,583.20, 651,874.80 and 119,039.60

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Solution

The fourth proportional to 434,583.20, 651,874.80 and 119,039.60 is: 178,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,583.20 : 651,874.80 = 119,039.60 : x
  2. Step 2: Convert to fraction form
    434,583.20/651,874.80 = 119,039.60/x
  3. Step 3: Cross multiply
    434,583.20x = 651,874.80 × 119,039.60
  4. Step 4: Simplify right side
    434,583.20x = 77,598,915,442.08
  5. Step 5: Solve for x
    x = 77,598,915,442.08/434,583.20
  6. Step 6: Final answer
    x = 178,559.40

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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.