Home / 1,403,367.74-1,936,205.39-858,935.96

Finding the Fourth Proportional to 1,403,367.74, 1,936,205.39 and 858,935.96

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Solution

The fourth proportional to 1,403,367.74, 1,936,205.39 and 858,935.96 is: 1,185,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,367.74 : 1,936,205.39 = 858,935.96 : x
  2. Step 2: Convert to fraction form
    1,403,367.74/1,936,205.39 = 858,935.96/x
  3. Step 3: Cross multiply
    1,403,367.74x = 1,936,205.39 × 858,935.96
  4. Step 4: Simplify right side
    1,403,367.74x = 1,663,076,421,441.12
  5. Step 5: Solve for x
    x = 1,663,076,421,441.12/1,403,367.74
  6. Step 6: Final answer
    x = 1,185,061.04

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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.