Home / 350,322.39-525,464.15-311,325.75

Finding the Fourth Proportional to 350,322.39, 525,464.15 and 311,325.75

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Solution

The fourth proportional to 350,322.39, 525,464.15 and 311,325.75 is: 466,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,322.39 : 525,464.15 = 311,325.75 : x
  2. Step 2: Convert to fraction form
    350,322.39/525,464.15 = 311,325.75/x
  3. Step 3: Cross multiply
    350,322.39x = 525,464.15 × 311,325.75
  4. Step 4: Simplify right side
    350,322.39x = 163,590,519,040.23
  5. Step 5: Solve for x
    x = 163,590,519,040.23/350,322.39
  6. Step 6: Final answer
    x = 466,971.35

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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.