Home / 746,595.06-1,118,148.66-686,309.72

Finding the Fourth Proportional to 746,595.06, 1,118,148.66 and 686,309.72

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Solution

The fourth proportional to 746,595.06, 1,118,148.66 and 686,309.72 is: 1,027,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,595.06 : 1,118,148.66 = 686,309.72 : x
  2. Step 2: Convert to fraction form
    746,595.06/1,118,148.66 = 686,309.72/x
  3. Step 3: Cross multiply
    746,595.06x = 1,118,148.66 × 686,309.72
  4. Step 4: Simplify right side
    746,595.06x = 767,396,293,762.98
  5. Step 5: Solve for x
    x = 767,396,293,762.98/746,595.06
  6. Step 6: Final answer
    x = 1,027,861.47

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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.