Home / 526,822.56-727,017.45-285,105.17

Finding the Fourth Proportional to 526,822.56, 727,017.45 and 285,105.17

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Solution

The fourth proportional to 526,822.56, 727,017.45 and 285,105.17 is: 393,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,822.56 : 727,017.45 = 285,105.17 : x
  2. Step 2: Convert to fraction form
    526,822.56/727,017.45 = 285,105.17/x
  3. Step 3: Cross multiply
    526,822.56x = 727,017.45 × 285,105.17
  4. Step 4: Simplify right side
    526,822.56x = 207,276,429,652.56
  5. Step 5: Solve for x
    x = 207,276,429,652.56/526,822.56
  6. Step 6: Final answer
    x = 393,446.38

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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.