Home / 526,631.67-726,751.37-284,914.31

Finding the Fourth Proportional to 526,631.67, 726,751.37 and 284,914.31

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Solution

The fourth proportional to 526,631.67, 726,751.37 and 284,914.31 is: 393,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,631.67 : 726,751.37 = 284,914.31 : x
  2. Step 2: Convert to fraction form
    526,631.67/726,751.37 = 284,914.31/x
  3. Step 3: Cross multiply
    526,631.67x = 726,751.37 × 284,914.31
  4. Step 4: Simplify right side
    526,631.67x = 207,061,862,203.63
  5. Step 5: Solve for x
    x = 207,061,862,203.63/526,631.67
  6. Step 6: Final answer
    x = 393,181.56

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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.