Home / 683,926.90-1,025,734.34-257,507.69

Finding the Fourth Proportional to 683,926.90, 1,025,734.34 and 257,507.69

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Solution

The fourth proportional to 683,926.90, 1,025,734.34 and 257,507.69 is: 386,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,926.90 : 1,025,734.34 = 257,507.69 : x
  2. Step 2: Convert to fraction form
    683,926.90/1,025,734.34 = 257,507.69/x
  3. Step 3: Cross multiply
    683,926.90x = 1,025,734.34 × 257,507.69
  4. Step 4: Simplify right side
    683,926.90x = 264,134,475,962.17
  5. Step 5: Solve for x
    x = 264,134,475,962.17/683,926.90
  6. Step 6: Final answer
    x = 386,202.79

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1.5x scale

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.