Home / 348,943.60-523,415.40-325,615.60

Finding the Fourth Proportional to 348,943.60, 523,415.40 and 325,615.60

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Solution

The fourth proportional to 348,943.60, 523,415.40 and 325,615.60 is: 488,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,943.60 : 523,415.40 = 325,615.60 : x
  2. Step 2: Convert to fraction form
    348,943.60/523,415.40 = 325,615.60/x
  3. Step 3: Cross multiply
    348,943.60x = 523,415.40 × 325,615.60
  4. Step 4: Simplify right side
    348,943.60x = 170,432,219,520.24
  5. Step 5: Solve for x
    x = 170,432,219,520.24/348,943.60
  6. Step 6: Final answer
    x = 488,423.40

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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.