Home / 1,286,907.07-1,929,168.66-476,840.13

Finding the Fourth Proportional to 1,286,907.07, 1,929,168.66 and 476,840.13

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Solution

The fourth proportional to 1,286,907.07, 1,929,168.66 and 476,840.13 is: 714,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,907.07 : 1,929,168.66 = 476,840.13 : x
  2. Step 2: Convert to fraction form
    1,286,907.07/1,929,168.66 = 476,840.13/x
  3. Step 3: Cross multiply
    1,286,907.07x = 1,929,168.66 × 476,840.13
  4. Step 4: Simplify right side
    1,286,907.07x = 919,905,034,626.33
  5. Step 5: Solve for x
    x = 919,905,034,626.33/1,286,907.07
  6. Step 6: Final answer
    x = 714,818.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.