Home / 1,111,519.10-1,533,876.32-628,073.84

Finding the Fourth Proportional to 1,111,519.10, 1,533,876.32 and 628,073.84

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Solution

The fourth proportional to 1,111,519.10, 1,533,876.32 and 628,073.84 is: 866,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,519.10 : 1,533,876.32 = 628,073.84 : x
  2. Step 2: Convert to fraction form
    1,111,519.10/1,533,876.32 = 628,073.84/x
  3. Step 3: Cross multiply
    1,111,519.10x = 1,533,876.32 × 628,073.84
  4. Step 4: Simplify right side
    1,111,519.10x = 963,387,579,577.72
  5. Step 5: Solve for x
    x = 963,387,579,577.72/1,111,519.10
  6. Step 6: Final answer
    x = 866,730.57

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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.