Home / 1,507,969-2,080,997.22-863,602.39

Finding the Fourth Proportional to 1,507,969, 2,080,997.22 and 863,602.39

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Solution

The fourth proportional to 1,507,969, 2,080,997.22 and 863,602.39 is: 1,191,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,969 : 2,080,997.22 = 863,602.39 : x
  2. Step 2: Convert to fraction form
    1,507,969/2,080,997.22 = 863,602.39/x
  3. Step 3: Cross multiply
    1,507,969x = 2,080,997.22 × 863,602.39
  4. Step 4: Simplify right side
    1,507,969x = 1,797,154,172,775.36
  5. Step 5: Solve for x
    x = 1,797,154,172,775.36/1,507,969
  6. Step 6: Final answer
    x = 1,191,771.30

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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.