Home / 683,602.33-1,025,622.55-478,650.47

Finding the Fourth Proportional to 683,602.33, 1,025,622.55 and 478,650.47

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Solution

The fourth proportional to 683,602.33, 1,025,622.55 and 478,650.47 is: 718,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,602.33 : 1,025,622.55 = 478,650.47 : x
  2. Step 2: Convert to fraction form
    683,602.33/1,025,622.55 = 478,650.47/x
  3. Step 3: Cross multiply
    683,602.33x = 1,025,622.55 × 478,650.47
  4. Step 4: Simplify right side
    683,602.33x = 490,914,713,206.85
  5. Step 5: Solve for x
    x = 490,914,713,206.85/683,602.33
  6. Step 6: Final answer
    x = 718,129.09

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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.