Home / 691,066.95-1,036,652.90-235,516.60

Finding the Fourth Proportional to 691,066.95, 1,036,652.90 and 235,516.60

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Solution

The fourth proportional to 691,066.95, 1,036,652.90 and 235,516.60 is: 353,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,066.95 : 1,036,652.90 = 235,516.60 : x
  2. Step 2: Convert to fraction form
    691,066.95/1,036,652.90 = 235,516.60/x
  3. Step 3: Cross multiply
    691,066.95x = 1,036,652.90 × 235,516.60
  4. Step 4: Simplify right side
    691,066.95x = 244,148,966,388.14
  5. Step 5: Solve for x
    x = 244,148,966,388.14/691,066.95
  6. Step 6: Final answer
    x = 353,292.78

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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.