Home / 818,540.12-1,130,053.58-543,271.27

Finding the Fourth Proportional to 818,540.12, 1,130,053.58 and 543,271.27

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Solution

The fourth proportional to 818,540.12, 1,130,053.58 and 543,271.27 is: 750,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,540.12 : 1,130,053.58 = 543,271.27 : x
  2. Step 2: Convert to fraction form
    818,540.12/1,130,053.58 = 543,271.27/x
  3. Step 3: Cross multiply
    818,540.12x = 1,130,053.58 × 543,271.27
  4. Step 4: Simplify right side
    818,540.12x = 613,925,644,770.66
  5. Step 5: Solve for x
    x = 613,925,644,770.66/818,540.12
  6. Step 6: Final answer
    x = 750,025.11

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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.