Home / 346,724.70-520,087.05-325,988.70

Finding the Fourth Proportional to 346,724.70, 520,087.05 and 325,988.70

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Solution

The fourth proportional to 346,724.70, 520,087.05 and 325,988.70 is: 488,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.70 : 520,087.05 = 325,988.70 : x
  2. Step 2: Convert to fraction form
    346,724.70/520,087.05 = 325,988.70/x
  3. Step 3: Cross multiply
    346,724.70x = 520,087.05 × 325,988.70
  4. Step 4: Simplify right side
    346,724.70x = 169,542,501,316.34
  5. Step 5: Solve for x
    x = 169,542,501,316.34/346,724.70
  6. Step 6: Final answer
    x = 488,983.05

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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.