Home / 837,112.24-1,247,782.50-769,927.60

Finding the Fourth Proportional to 837,112.24, 1,247,782.50 and 769,927.60

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Solution

The fourth proportional to 837,112.24, 1,247,782.50 and 769,927.60 is: 1,147,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,112.24 : 1,247,782.50 = 769,927.60 : x
  2. Step 2: Convert to fraction form
    837,112.24/1,247,782.50 = 769,927.60/x
  3. Step 3: Cross multiply
    837,112.24x = 1,247,782.50 × 769,927.60
  4. Step 4: Simplify right side
    837,112.24x = 960,702,185,547
  5. Step 5: Solve for x
    x = 960,702,185,547/837,112.24
  6. Step 6: Final answer
    x = 1,147,638.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.