Home / 700,692.16-1,052,306.52-644,431.48

Finding the Fourth Proportional to 700,692.16, 1,052,306.52 and 644,431.48

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Solution

The fourth proportional to 700,692.16, 1,052,306.52 and 644,431.48 is: 967,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,692.16 : 1,052,306.52 = 644,431.48 : x
  2. Step 2: Convert to fraction form
    700,692.16/1,052,306.52 = 644,431.48/x
  3. Step 3: Cross multiply
    700,692.16x = 1,052,306.52 × 644,431.48
  4. Step 4: Simplify right side
    700,692.16x = 678,139,448,097.25
  5. Step 5: Solve for x
    x = 678,139,448,097.25/700,692.16
  6. Step 6: Final answer
    x = 967,813.67

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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.