Home / 1,219,802.87-1,683,337.86-675,947.74

Finding the Fourth Proportional to 1,219,802.87, 1,683,337.86 and 675,947.74

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Solution

The fourth proportional to 1,219,802.87, 1,683,337.86 and 675,947.74 is: 932,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,802.87 : 1,683,337.86 = 675,947.74 : x
  2. Step 2: Convert to fraction form
    1,219,802.87/1,683,337.86 = 675,947.74/x
  3. Step 3: Cross multiply
    1,219,802.87x = 1,683,337.86 × 675,947.74
  4. Step 4: Simplify right side
    1,219,802.87x = 1,137,848,422,123.44
  5. Step 5: Solve for x
    x = 1,137,848,422,123.44/1,219,802.87
  6. Step 6: Final answer
    x = 932,813.37

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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.