Home / 670,991.24-925,993.38-384,566.60

Finding the Fourth Proportional to 670,991.24, 925,993.38 and 384,566.60

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Solution

The fourth proportional to 670,991.24, 925,993.38 and 384,566.60 is: 530,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,991.24 : 925,993.38 = 384,566.60 : x
  2. Step 2: Convert to fraction form
    670,991.24/925,993.38 = 384,566.60/x
  3. Step 3: Cross multiply
    670,991.24x = 925,993.38 × 384,566.60
  4. Step 4: Simplify right side
    670,991.24x = 356,106,129,526.22
  5. Step 5: Solve for x
    x = 356,106,129,526.22/670,991.24
  6. Step 6: Final answer
    x = 530,716.51

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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.