Home / 1,686,736.16-2,327,799.12-971,574.56

Finding the Fourth Proportional to 1,686,736.16, 2,327,799.12 and 971,574.56

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Solution

The fourth proportional to 1,686,736.16, 2,327,799.12 and 971,574.56 is: 1,340,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,736.16 : 2,327,799.12 = 971,574.56 : x
  2. Step 2: Convert to fraction form
    1,686,736.16/2,327,799.12 = 971,574.56/x
  3. Step 3: Cross multiply
    1,686,736.16x = 2,327,799.12 × 971,574.56
  4. Step 4: Simplify right side
    1,686,736.16x = 2,261,630,405,782.39
  5. Step 5: Solve for x
    x = 2,261,630,405,782.39/1,686,736.16
  6. Step 6: Final answer
    x = 1,340,832.35

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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.