Home / 1,259,878.34-1,739,339.61-873,255.62

Finding the Fourth Proportional to 1,259,878.34, 1,739,339.61 and 873,255.62

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Solution

The fourth proportional to 1,259,878.34, 1,739,339.61 and 873,255.62 is: 1,205,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,878.34 : 1,739,339.61 = 873,255.62 : x
  2. Step 2: Convert to fraction form
    1,259,878.34/1,739,339.61 = 873,255.62/x
  3. Step 3: Cross multiply
    1,259,878.34x = 1,739,339.61 × 873,255.62
  4. Step 4: Simplify right side
    1,259,878.34x = 1,518,888,089,521.11
  5. Step 5: Solve for x
    x = 1,518,888,089,521.11/1,259,878.34
  6. Step 6: Final answer
    x = 1,205,583.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.