Home / 886,857.20-1,330,285.80-837,868.40

Finding the Fourth Proportional to 886,857.20, 1,330,285.80 and 837,868.40

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Solution

The fourth proportional to 886,857.20, 1,330,285.80 and 837,868.40 is: 1,256,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,857.20 : 1,330,285.80 = 837,868.40 : x
  2. Step 2: Convert to fraction form
    886,857.20/1,330,285.80 = 837,868.40/x
  3. Step 3: Cross multiply
    886,857.20x = 1,330,285.80 × 837,868.40
  4. Step 4: Simplify right side
    886,857.20x = 1,114,604,434,788.72
  5. Step 5: Solve for x
    x = 1,114,604,434,788.72/886,857.20
  6. Step 6: Final answer
    x = 1,256,802.60

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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.