Home / 983,046.53-1,475,142.98-414,392.85

Finding the Fourth Proportional to 983,046.53, 1,475,142.98 and 414,392.85

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Solution

The fourth proportional to 983,046.53, 1,475,142.98 and 414,392.85 is: 621,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,046.53 : 1,475,142.98 = 414,392.85 : x
  2. Step 2: Convert to fraction form
    983,046.53/1,475,142.98 = 414,392.85/x
  3. Step 3: Cross multiply
    983,046.53x = 1,475,142.98 × 414,392.85
  4. Step 4: Simplify right side
    983,046.53x = 611,288,701,567.73
  5. Step 5: Solve for x
    x = 611,288,701,567.73/983,046.53
  6. Step 6: Final answer
    x = 621,830.89

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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.