Home / 526,795.37-726,977.61-285,077.92

Finding the Fourth Proportional to 526,795.37, 726,977.61 and 285,077.92

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Solution

The fourth proportional to 526,795.37, 726,977.61 and 285,077.92 is: 393,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,795.37 : 726,977.61 = 285,077.92 : x
  2. Step 2: Convert to fraction form
    526,795.37/726,977.61 = 285,077.92/x
  3. Step 3: Cross multiply
    526,795.37x = 726,977.61 × 285,077.92
  4. Step 4: Simplify right side
    526,795.37x = 207,245,264,945.37
  5. Step 5: Solve for x
    x = 207,245,264,945.37/526,795.37
  6. Step 6: Final answer
    x = 393,407.53

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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.