Home / 1,101,308.20-1,519,828.70-617,908.30

Finding the Fourth Proportional to 1,101,308.20, 1,519,828.70 and 617,908.30

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Solution

The fourth proportional to 1,101,308.20, 1,519,828.70 and 617,908.30 is: 852,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,308.20 : 1,519,828.70 = 617,908.30 : x
  2. Step 2: Convert to fraction form
    1,101,308.20/1,519,828.70 = 617,908.30/x
  3. Step 3: Cross multiply
    1,101,308.20x = 1,519,828.70 × 617,908.30
  4. Step 4: Simplify right side
    1,101,308.20x = 939,114,768,308.21
  5. Step 5: Solve for x
    x = 939,114,768,308.21/1,101,308.20
  6. Step 6: Final answer
    x = 852,726.57

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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.