Home / 1,225,176.40-1,837,764.60-886,628.80

Finding the Fourth Proportional to 1,225,176.40, 1,837,764.60 and 886,628.80

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Solution

The fourth proportional to 1,225,176.40, 1,837,764.60 and 886,628.80 is: 1,329,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,176.40 : 1,837,764.60 = 886,628.80 : x
  2. Step 2: Convert to fraction form
    1,225,176.40/1,837,764.60 = 886,628.80/x
  3. Step 3: Cross multiply
    1,225,176.40x = 1,837,764.60 × 886,628.80
  4. Step 4: Simplify right side
    1,225,176.40x = 1,629,415,021,980.48
  5. Step 5: Solve for x
    x = 1,629,415,021,980.48/1,225,176.40
  6. Step 6: Final answer
    x = 1,329,943.20

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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.