Home / 464,091.20-696,136.80-436,097.60

Finding the Fourth Proportional to 464,091.20, 696,136.80 and 436,097.60

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Solution

The fourth proportional to 464,091.20, 696,136.80 and 436,097.60 is: 654,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,091.20 : 696,136.80 = 436,097.60 : x
  2. Step 2: Convert to fraction form
    464,091.20/696,136.80 = 436,097.60/x
  3. Step 3: Cross multiply
    464,091.20x = 696,136.80 × 436,097.60
  4. Step 4: Simplify right side
    464,091.20x = 303,583,587,751.68
  5. Step 5: Solve for x
    x = 303,583,587,751.68/464,091.20
  6. Step 6: Final answer
    x = 654,146.40

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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.