Home / 1,693,855.63-2,337,527.12-919,488

Finding the Fourth Proportional to 1,693,855.63, 2,337,527.12 and 919,488

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Solution

The fourth proportional to 1,693,855.63, 2,337,527.12 and 919,488 is: 1,268,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,855.63 : 2,337,527.12 = 919,488 : x
  2. Step 2: Convert to fraction form
    1,693,855.63/2,337,527.12 = 919,488/x
  3. Step 3: Cross multiply
    1,693,855.63x = 2,337,527.12 × 919,488
  4. Step 4: Simplify right side
    1,693,855.63x = 2,149,328,136,514.56
  5. Step 5: Solve for x
    x = 2,149,328,136,514.56/1,693,855.63
  6. Step 6: Final answer
    x = 1,268,896.89

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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.