Home / 1,738,453.60-2,607,680.40-778,907.35

Finding the Fourth Proportional to 1,738,453.60, 2,607,680.40 and 778,907.35

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Solution

The fourth proportional to 1,738,453.60, 2,607,680.40 and 778,907.35 is: 1,168,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,453.60 : 2,607,680.40 = 778,907.35 : x
  2. Step 2: Convert to fraction form
    1,738,453.60/2,607,680.40 = 778,907.35/x
  3. Step 3: Cross multiply
    1,738,453.60x = 2,607,680.40 × 778,907.35
  4. Step 4: Simplify right side
    1,738,453.60x = 2,031,141,430,010.94
  5. Step 5: Solve for x
    x = 2,031,141,430,010.94/1,738,453.60
  6. Step 6: Final answer
    x = 1,168,361.03

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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.