Home / 1,120,971.94-1,546,975.46-637,606.74

Finding the Fourth Proportional to 1,120,971.94, 1,546,975.46 and 637,606.74

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Solution

The fourth proportional to 1,120,971.94, 1,546,975.46 and 637,606.74 is: 879,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,971.94 : 1,546,975.46 = 637,606.74 : x
  2. Step 2: Convert to fraction form
    1,120,971.94/1,546,975.46 = 637,606.74/x
  3. Step 3: Cross multiply
    1,120,971.94x = 1,546,975.46 × 637,606.74
  4. Step 4: Simplify right side
    1,120,971.94x = 986,361,979,910.60
  5. Step 5: Solve for x
    x = 986,361,979,910.60/1,120,971.94
  6. Step 6: Final answer
    x = 879,916.74

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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.