Home / 1,705,266.45-2,555,678.35-693,206.23

Finding the Fourth Proportional to 1,705,266.45, 2,555,678.35 and 693,206.23

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Solution

The fourth proportional to 1,705,266.45, 2,555,678.35 and 693,206.23 is: 1,038,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,266.45 : 2,555,678.35 = 693,206.23 : x
  2. Step 2: Convert to fraction form
    1,705,266.45/2,555,678.35 = 693,206.23/x
  3. Step 3: Cross multiply
    1,705,266.45x = 2,555,678.35 × 693,206.23
  4. Step 4: Simplify right side
    1,705,266.45x = 1,771,612,161,351.82
  5. Step 5: Solve for x
    x = 1,771,612,161,351.82/1,705,266.45
  6. Step 6: Final answer
    x = 1,038,906.36

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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.