Home / 1,311,696.63-1,810,977.12-1,070,554.41

Finding the Fourth Proportional to 1,311,696.63, 1,810,977.12 and 1,070,554.41

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Solution

The fourth proportional to 1,311,696.63, 1,810,977.12 and 1,070,554.41 is: 1,478,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,696.63 : 1,810,977.12 = 1,070,554.41 : x
  2. Step 2: Convert to fraction form
    1,311,696.63/1,810,977.12 = 1,070,554.41/x
  3. Step 3: Cross multiply
    1,311,696.63x = 1,810,977.12 × 1,070,554.41
  4. Step 4: Simplify right side
    1,311,696.63x = 1,938,749,542,225.10
  5. Step 5: Solve for x
    x = 1,938,749,542,225.10/1,311,696.63
  6. Step 6: Final answer
    x = 1,478,047.21

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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.