Home / 939,905.70-1,409,858.55-584,736.90

Finding the Fourth Proportional to 939,905.70, 1,409,858.55 and 584,736.90

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Solution

The fourth proportional to 939,905.70, 1,409,858.55 and 584,736.90 is: 877,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,905.70 : 1,409,858.55 = 584,736.90 : x
  2. Step 2: Convert to fraction form
    939,905.70/1,409,858.55 = 584,736.90/x
  3. Step 3: Cross multiply
    939,905.70x = 1,409,858.55 × 584,736.90
  4. Step 4: Simplify right side
    939,905.70x = 824,396,317,965.50
  5. Step 5: Solve for x
    x = 824,396,317,965.50/939,905.70
  6. Step 6: Final answer
    x = 877,105.35

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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.