Home / 1,163,790.45-1,607,040-858,396.15

Finding the Fourth Proportional to 1,163,790.45, 1,607,040 and 858,396.15

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Solution

The fourth proportional to 1,163,790.45, 1,607,040 and 858,396.15 is: 1,185,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,790.45 : 1,607,040 = 858,396.15 : x
  2. Step 2: Convert to fraction form
    1,163,790.45/1,607,040 = 858,396.15/x
  3. Step 3: Cross multiply
    1,163,790.45x = 1,607,040 × 858,396.15
  4. Step 4: Simplify right side
    1,163,790.45x = 1,379,476,948,896
  5. Step 5: Solve for x
    x = 1,379,476,948,896/1,163,790.45
  6. Step 6: Final answer
    x = 1,185,331.04

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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.