Home / 1,750,834.56-2,626,251.84-421,138.56

Finding the Fourth Proportional to 1,750,834.56, 2,626,251.84 and 421,138.56

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Solution

The fourth proportional to 1,750,834.56, 2,626,251.84 and 421,138.56 is: 631,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,834.56 : 2,626,251.84 = 421,138.56 : x
  2. Step 2: Convert to fraction form
    1,750,834.56/2,626,251.84 = 421,138.56/x
  3. Step 3: Cross multiply
    1,750,834.56x = 2,626,251.84 × 421,138.56
  4. Step 4: Simplify right side
    1,750,834.56x = 1,106,015,918,094.95
  5. Step 5: Solve for x
    x = 1,106,015,918,094.95/1,750,834.56
  6. Step 6: Final answer
    x = 631,707.84

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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.