Home / 1,017,905.80-1,526,858.70-930,814.60

Finding the Fourth Proportional to 1,017,905.80, 1,526,858.70 and 930,814.60

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Solution

The fourth proportional to 1,017,905.80, 1,526,858.70 and 930,814.60 is: 1,396,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,905.80 : 1,526,858.70 = 930,814.60 : x
  2. Step 2: Convert to fraction form
    1,017,905.80/1,526,858.70 = 930,814.60/x
  3. Step 3: Cross multiply
    1,017,905.80x = 1,526,858.70 × 930,814.60
  4. Step 4: Simplify right side
    1,017,905.80x = 1,421,222,370,097.02
  5. Step 5: Solve for x
    x = 1,421,222,370,097.02/1,017,905.80
  6. Step 6: Final answer
    x = 1,396,221.90

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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.