Home / 1,106,458.05-1,526,949.84-647,615.32

Finding the Fourth Proportional to 1,106,458.05, 1,526,949.84 and 647,615.32

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Solution

The fourth proportional to 1,106,458.05, 1,526,949.84 and 647,615.32 is: 893,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,458.05 : 1,526,949.84 = 647,615.32 : x
  2. Step 2: Convert to fraction form
    1,106,458.05/1,526,949.84 = 647,615.32/x
  3. Step 3: Cross multiply
    1,106,458.05x = 1,526,949.84 × 647,615.32
  4. Step 4: Simplify right side
    1,106,458.05x = 988,876,109,255.55
  5. Step 5: Solve for x
    x = 988,876,109,255.55/1,106,458.05
  6. Step 6: Final answer
    x = 893,731.23

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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.