Home / 746,985.26-1,030,842.92-407,460.80

Finding the Fourth Proportional to 746,985.26, 1,030,842.92 and 407,460.80

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Solution

The fourth proportional to 746,985.26, 1,030,842.92 and 407,460.80 is: 562,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,985.26 : 1,030,842.92 = 407,460.80 : x
  2. Step 2: Convert to fraction form
    746,985.26/1,030,842.92 = 407,460.80/x
  3. Step 3: Cross multiply
    746,985.26x = 1,030,842.92 × 407,460.80
  4. Step 4: Simplify right side
    746,985.26x = 420,028,080,857.54
  5. Step 5: Solve for x
    x = 420,028,080,857.54/746,985.26
  6. Step 6: Final answer
    x = 562,297.68

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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.