Home / 627,148.55-865,824.03-412,911.38

Finding the Fourth Proportional to 627,148.55, 865,824.03 and 412,911.38

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Solution

The fourth proportional to 627,148.55, 865,824.03 and 412,911.38 is: 570,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,148.55 : 865,824.03 = 412,911.38 : x
  2. Step 2: Convert to fraction form
    627,148.55/865,824.03 = 412,911.38/x
  3. Step 3: Cross multiply
    627,148.55x = 865,824.03 × 412,911.38
  4. Step 4: Simplify right side
    627,148.55x = 357,508,590,735.34
  5. Step 5: Solve for x
    x = 357,508,590,735.34/627,148.55
  6. Step 6: Final answer
    x = 570,054.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.