Home / 746,986.26-1,030,844.30-407,461.80

Finding the Fourth Proportional to 746,986.26, 1,030,844.30 and 407,461.80

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Solution

The fourth proportional to 746,986.26, 1,030,844.30 and 407,461.80 is: 562,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,986.26 : 1,030,844.30 = 407,461.80 : x
  2. Step 2: Convert to fraction form
    746,986.26/1,030,844.30 = 407,461.80/x
  3. Step 3: Cross multiply
    746,986.26x = 1,030,844.30 × 407,461.80
  4. Step 4: Simplify right side
    746,986.26x = 420,029,673,997.74
  5. Step 5: Solve for x
    x = 420,029,673,997.74/746,986.26
  6. Step 6: Final answer
    x = 562,299.06

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1.5x scale

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.