Home / 685,697.44-1,024,376.33-443,841.16

Finding the Fourth Proportional to 685,697.44, 1,024,376.33 and 443,841.16

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Solution

The fourth proportional to 685,697.44, 1,024,376.33 and 443,841.16 is: 663,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,697.44 : 1,024,376.33 = 443,841.16 : x
  2. Step 2: Convert to fraction form
    685,697.44/1,024,376.33 = 443,841.16/x
  3. Step 3: Cross multiply
    685,697.44x = 1,024,376.33 × 443,841.16
  4. Step 4: Simplify right side
    685,697.44x = 454,660,378,583.74
  5. Step 5: Solve for x
    x = 454,660,378,583.74/685,697.44
  6. Step 6: Final answer
    x = 663,062.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.