Home / 348,983.60-523,475.40-307,511.60

Finding the Fourth Proportional to 348,983.60, 523,475.40 and 307,511.60

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Solution

The fourth proportional to 348,983.60, 523,475.40 and 307,511.60 is: 461,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,983.60 : 523,475.40 = 307,511.60 : x
  2. Step 2: Convert to fraction form
    348,983.60/523,475.40 = 307,511.60/x
  3. Step 3: Cross multiply
    348,983.60x = 523,475.40 × 307,511.60
  4. Step 4: Simplify right side
    348,983.60x = 160,974,757,814.64
  5. Step 5: Solve for x
    x = 160,974,757,814.64/348,983.60
  6. Step 6: Final answer
    x = 461,267.40

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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.