Home / 1,129,776.94-1,559,104.46-620,479.27

Finding the Fourth Proportional to 1,129,776.94, 1,559,104.46 and 620,479.27

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Solution

The fourth proportional to 1,129,776.94, 1,559,104.46 and 620,479.27 is: 856,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,776.94 : 1,559,104.46 = 620,479.27 : x
  2. Step 2: Convert to fraction form
    1,129,776.94/1,559,104.46 = 620,479.27/x
  3. Step 3: Cross multiply
    1,129,776.94x = 1,559,104.46 × 620,479.27
  4. Step 4: Simplify right side
    1,129,776.94x = 967,391,997,194.54
  5. Step 5: Solve for x
    x = 967,391,997,194.54/1,129,776.94
  6. Step 6: Final answer
    x = 856,268.14

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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.