Home / 1,686,315.94-2,529,506.85-620,809.54

Finding the Fourth Proportional to 1,686,315.94, 2,529,506.85 and 620,809.54

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Solution

The fourth proportional to 1,686,315.94, 2,529,506.85 and 620,809.54 is: 931,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,315.94 : 2,529,506.85 = 620,809.54 : x
  2. Step 2: Convert to fraction form
    1,686,315.94/2,529,506.85 = 620,809.54/x
  3. Step 3: Cross multiply
    1,686,315.94x = 2,529,506.85 × 620,809.54
  4. Step 4: Simplify right side
    1,686,315.94x = 1,570,341,983,975.35
  5. Step 5: Solve for x
    x = 1,570,341,983,975.35/1,686,315.94
  6. Step 6: Final answer
    x = 931,226.44

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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.