Home / 1,905,880.64-2,858,214.72-626,193.16

Finding the Fourth Proportional to 1,905,880.64, 2,858,214.72 and 626,193.16

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Solution

The fourth proportional to 1,905,880.64, 2,858,214.72 and 626,193.16 is: 939,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,880.64 : 2,858,214.72 = 626,193.16 : x
  2. Step 2: Convert to fraction form
    1,905,880.64/2,858,214.72 = 626,193.16/x
  3. Step 3: Cross multiply
    1,905,880.64x = 2,858,214.72 × 626,193.16
  4. Step 4: Simplify right side
    1,905,880.64x = 1,789,794,507,475.32
  5. Step 5: Solve for x
    x = 1,789,794,507,475.32/1,905,880.64
  6. Step 6: Final answer
    x = 939,090.55

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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.