Home / 526,734.84-726,888.60-285,012.12

Finding the Fourth Proportional to 526,734.84, 726,888.60 and 285,012.12

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Solution

The fourth proportional to 526,734.84, 726,888.60 and 285,012.12 is: 393,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,734.84 : 726,888.60 = 285,012.12 : x
  2. Step 2: Convert to fraction form
    526,734.84/726,888.60 = 285,012.12/x
  3. Step 3: Cross multiply
    526,734.84x = 726,888.60 × 285,012.12
  4. Step 4: Simplify right side
    526,734.84x = 207,172,060,889.83
  5. Step 5: Solve for x
    x = 207,172,060,889.83/526,734.84
  6. Step 6: Final answer
    x = 393,313.76

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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.