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Finding the Fourth Proportional to 1,507,968, 2,080,995.84 and 863,601.39

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Solution

The fourth proportional to 1,507,968, 2,080,995.84 and 863,601.39 is: 1,191,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,968 : 2,080,995.84 = 863,601.39 : x
  2. Step 2: Convert to fraction form
    1,507,968/2,080,995.84 = 863,601.39/x
  3. Step 3: Cross multiply
    1,507,968x = 2,080,995.84 × 863,601.39
  4. Step 4: Simplify right side
    1,507,968x = 1,797,150,900,008.22
  5. Step 5: Solve for x
    x = 1,797,150,900,008.22/1,507,968
  6. Step 6: Final answer
    x = 1,191,769.92

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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.