Home / 993,193.05-1,370,511.54-557,510.58

Finding the Fourth Proportional to 993,193.05, 1,370,511.54 and 557,510.58

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Solution

The fourth proportional to 993,193.05, 1,370,511.54 and 557,510.58 is: 769,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,193.05 : 1,370,511.54 = 557,510.58 : x
  2. Step 2: Convert to fraction form
    993,193.05/1,370,511.54 = 557,510.58/x
  3. Step 3: Cross multiply
    993,193.05x = 1,370,511.54 × 557,510.58
  4. Step 4: Simplify right side
    993,193.05x = 764,074,683,562.09
  5. Step 5: Solve for x
    x = 764,074,683,562.09/993,193.05
  6. Step 6: Final answer
    x = 769,311.35

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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.