Home / 1,219,803.09-1,683,338.16-675,947.96

Finding the Fourth Proportional to 1,219,803.09, 1,683,338.16 and 675,947.96

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Solution

The fourth proportional to 1,219,803.09, 1,683,338.16 and 675,947.96 is: 932,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,803.09 : 1,683,338.16 = 675,947.96 : x
  2. Step 2: Convert to fraction form
    1,219,803.09/1,683,338.16 = 675,947.96/x
  3. Step 3: Cross multiply
    1,219,803.09x = 1,683,338.16 × 675,947.96
  4. Step 4: Simplify right side
    1,219,803.09x = 1,137,848,991,862.41
  5. Step 5: Solve for x
    x = 1,137,848,991,862.41/1,219,803.09
  6. Step 6: Final answer
    x = 932,813.67

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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.