Home / 1,010,519.37-1,394,185.50-720,176.67

Finding the Fourth Proportional to 1,010,519.37, 1,394,185.50 and 720,176.67

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Solution

The fourth proportional to 1,010,519.37, 1,394,185.50 and 720,176.67 is: 993,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,519.37 : 1,394,185.50 = 720,176.67 : x
  2. Step 2: Convert to fraction form
    1,010,519.37/1,394,185.50 = 720,176.67/x
  3. Step 3: Cross multiply
    1,010,519.37x = 1,394,185.50 × 720,176.67
  4. Step 4: Simplify right side
    1,010,519.37x = 1,004,059,870,752.29
  5. Step 5: Solve for x
    x = 1,004,059,870,752.29/1,010,519.37
  6. Step 6: Final answer
    x = 993,607.74

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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.