Home / 1,986,926.63-2,980,462.37-707,628.22

Finding the Fourth Proportional to 1,986,926.63, 2,980,462.37 and 707,628.22

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Solution

The fourth proportional to 1,986,926.63, 2,980,462.37 and 707,628.22 is: 1,061,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,926.63 : 2,980,462.37 = 707,628.22 : x
  2. Step 2: Convert to fraction form
    1,986,926.63/2,980,462.37 = 707,628.22/x
  3. Step 3: Cross multiply
    1,986,926.63x = 2,980,462.37 × 707,628.22
  4. Step 4: Simplify right side
    1,986,926.63x = 2,109,059,270,670.78
  5. Step 5: Solve for x
    x = 2,109,059,270,670.78/1,986,926.63
  6. Step 6: Final answer
    x = 1,061,468.12

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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.