Home / 526,972.70-727,224.09-285,255.20

Finding the Fourth Proportional to 526,972.70, 727,224.09 and 285,255.20

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Solution

The fourth proportional to 526,972.70, 727,224.09 and 285,255.20 is: 393,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,972.70 : 727,224.09 = 285,255.20 : x
  2. Step 2: Convert to fraction form
    526,972.70/727,224.09 = 285,255.20/x
  3. Step 3: Cross multiply
    526,972.70x = 727,224.09 × 285,255.20
  4. Step 4: Simplify right side
    526,972.70x = 207,444,453,237.77
  5. Step 5: Solve for x
    x = 207,444,453,237.77/526,972.70
  6. Step 6: Final answer
    x = 393,653.13

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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.