Home / 768,166.84-1,059,817.39-496,394.83

Finding the Fourth Proportional to 768,166.84, 1,059,817.39 and 496,394.83

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Solution

The fourth proportional to 768,166.84, 1,059,817.39 and 496,394.83 is: 684,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,166.84 : 1,059,817.39 = 496,394.83 : x
  2. Step 2: Convert to fraction form
    768,166.84/1,059,817.39 = 496,394.83/x
  3. Step 3: Cross multiply
    768,166.84x = 1,059,817.39 × 496,394.83
  4. Step 4: Simplify right side
    768,166.84x = 526,087,873,140.09
  5. Step 5: Solve for x
    x = 526,087,873,140.09/768,166.84
  6. Step 6: Final answer
    x = 684,861.47

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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.