Home / 540,616.02-810,136.65-259,805.22

Finding the Fourth Proportional to 540,616.02, 810,136.65 and 259,805.22

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Solution

The fourth proportional to 540,616.02, 810,136.65 and 259,805.22 is: 389,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,616.02 : 810,136.65 = 259,805.22 : x
  2. Step 2: Convert to fraction form
    540,616.02/810,136.65 = 259,805.22/x
  3. Step 3: Cross multiply
    540,616.02x = 810,136.65 × 259,805.22
  4. Step 4: Simplify right side
    540,616.02x = 210,477,730,583.31
  5. Step 5: Solve for x
    x = 210,477,730,583.31/540,616.02
  6. Step 6: Final answer
    x = 389,329.44

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1.5x scale

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.