Home / 856,718.25-1,285,068.14-351,166.55

Finding the Fourth Proportional to 856,718.25, 1,285,068.14 and 351,166.55

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Solution

The fourth proportional to 856,718.25, 1,285,068.14 and 351,166.55 is: 526,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,718.25 : 1,285,068.14 = 351,166.55 : x
  2. Step 2: Convert to fraction form
    856,718.25/1,285,068.14 = 351,166.55/x
  3. Step 3: Cross multiply
    856,718.25x = 1,285,068.14 × 351,166.55
  4. Step 4: Simplify right side
    856,718.25x = 451,272,945,238.72
  5. Step 5: Solve for x
    x = 451,272,945,238.72/856,718.25
  6. Step 6: Final answer
    x = 526,746.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.