Home / 526,817.54-727,008.28-285,100.18

Finding the Fourth Proportional to 526,817.54, 727,008.28 and 285,100.18

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Solution

The fourth proportional to 526,817.54, 727,008.28 and 285,100.18 is: 393,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,817.54 : 727,008.28 = 285,100.18 : x
  2. Step 2: Convert to fraction form
    526,817.54/727,008.28 = 285,100.18/x
  3. Step 3: Cross multiply
    526,817.54x = 727,008.28 × 285,100.18
  4. Step 4: Simplify right side
    526,817.54x = 207,270,188,959.22
  5. Step 5: Solve for x
    x = 207,270,188,959.22/526,817.54
  6. Step 6: Final answer
    x = 393,438.28

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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.