Home / 1,776,564.60-2,665,235.70-878,436.60

Finding the Fourth Proportional to 1,776,564.60, 2,665,235.70 and 878,436.60

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Solution

The fourth proportional to 1,776,564.60, 2,665,235.70 and 878,436.60 is: 1,317,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,564.60 : 2,665,235.70 = 878,436.60 : x
  2. Step 2: Convert to fraction form
    1,776,564.60/2,665,235.70 = 878,436.60/x
  3. Step 3: Cross multiply
    1,776,564.60x = 2,665,235.70 × 878,436.60
  4. Step 4: Simplify right side
    1,776,564.60x = 2,341,240,586,506.62
  5. Step 5: Solve for x
    x = 2,341,240,586,506.62/1,776,564.60
  6. Step 6: Final answer
    x = 1,317,847.15

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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.