Home / 1,101,307.20-1,519,827.32-617,907.30

Finding the Fourth Proportional to 1,101,307.20, 1,519,827.32 and 617,907.30

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Solution

The fourth proportional to 1,101,307.20, 1,519,827.32 and 617,907.30 is: 852,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,307.20 : 1,519,827.32 = 617,907.30 : x
  2. Step 2: Convert to fraction form
    1,101,307.20/1,519,827.32 = 617,907.30/x
  3. Step 3: Cross multiply
    1,101,307.20x = 1,519,827.32 × 617,907.30
  4. Step 4: Simplify right side
    1,101,307.20x = 939,112,395,767.44
  5. Step 5: Solve for x
    x = 939,112,395,767.44/1,101,307.20
  6. Step 6: Final answer
    x = 852,725.19

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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.