Home / 1,219,817.84-1,829,741.32-580,189.60

Finding the Fourth Proportional to 1,219,817.84, 1,829,741.32 and 580,189.60

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Solution

The fourth proportional to 1,219,817.84, 1,829,741.32 and 580,189.60 is: 870,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,817.84 : 1,829,741.32 = 580,189.60 : x
  2. Step 2: Convert to fraction form
    1,219,817.84/1,829,741.32 = 580,189.60/x
  3. Step 3: Cross multiply
    1,219,817.84x = 1,829,741.32 × 580,189.60
  4. Step 4: Simplify right side
    1,219,817.84x = 1,061,596,884,554.27
  5. Step 5: Solve for x
    x = 1,061,596,884,554.27/1,219,817.84
  6. Step 6: Final answer
    x = 870,291.33

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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.