Home / 348,445.20-523,056.60-325,603.20

Finding the Fourth Proportional to 348,445.20, 523,056.60 and 325,603.20

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Solution

The fourth proportional to 348,445.20, 523,056.60 and 325,603.20 is: 488,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,445.20 : 523,056.60 = 325,603.20 : x
  2. Step 2: Convert to fraction form
    348,445.20/523,056.60 = 325,603.20/x
  3. Step 3: Cross multiply
    348,445.20x = 523,056.60 × 325,603.20
  4. Step 4: Simplify right side
    348,445.20x = 170,308,902,741.12
  5. Step 5: Solve for x
    x = 170,308,902,741.12/348,445.20
  6. Step 6: Final answer
    x = 488,768.11

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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.