Home / 993,190.05-1,370,507.40-557,507.58

Finding the Fourth Proportional to 993,190.05, 1,370,507.40 and 557,507.58

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Solution

The fourth proportional to 993,190.05, 1,370,507.40 and 557,507.58 is: 769,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,190.05 : 1,370,507.40 = 557,507.58 : x
  2. Step 2: Convert to fraction form
    993,190.05/1,370,507.40 = 557,507.58/x
  3. Step 3: Cross multiply
    993,190.05x = 1,370,507.40 × 557,507.58
  4. Step 4: Simplify right side
    993,190.05x = 764,068,263,946.09
  5. Step 5: Solve for x
    x = 764,068,263,946.09/993,190.05
  6. Step 6: Final answer
    x = 769,307.21

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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.