Home / 1,121,706.77-1,682,782.07-411,740.96

Finding the Fourth Proportional to 1,121,706.77, 1,682,782.07 and 411,740.96

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Solution

The fourth proportional to 1,121,706.77, 1,682,782.07 and 411,740.96 is: 617,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,706.77 : 1,682,782.07 = 411,740.96 : x
  2. Step 2: Convert to fraction form
    1,121,706.77/1,682,782.07 = 411,740.96/x
  3. Step 3: Cross multiply
    1,121,706.77x = 1,682,782.07 × 411,740.96
  4. Step 4: Simplify right side
    1,121,706.77x = 692,870,294,499.97
  5. Step 5: Solve for x
    x = 692,870,294,499.97/1,121,706.77
  6. Step 6: Final answer
    x = 617,692.89

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1.5x scale

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.