Home / 1,903,808.60-2,855,722.80-641,647.16

Finding the Fourth Proportional to 1,903,808.60, 2,855,722.80 and 641,647.16

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Solution

The fourth proportional to 1,903,808.60, 2,855,722.80 and 641,647.16 is: 962,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,808.60 : 2,855,722.80 = 641,647.16 : x
  2. Step 2: Convert to fraction form
    1,903,808.60/2,855,722.80 = 641,647.16/x
  3. Step 3: Cross multiply
    1,903,808.60x = 2,855,722.80 × 641,647.16
  4. Step 4: Simplify right side
    1,903,808.60x = 1,832,366,424,367.25
  5. Step 5: Solve for x
    x = 1,832,366,424,367.25/1,903,808.60
  6. Step 6: Final answer
    x = 962,474.08

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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.