Home / 1,769,479.59-2,642,217.53-1,405,565.53

Finding the Fourth Proportional to 1,769,479.59, 2,642,217.53 and 1,405,565.53

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Solution

The fourth proportional to 1,769,479.59, 2,642,217.53 and 1,405,565.53 is: 2,098,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,479.59 : 2,642,217.53 = 1,405,565.53 : x
  2. Step 2: Convert to fraction form
    1,769,479.59/2,642,217.53 = 1,405,565.53/x
  3. Step 3: Cross multiply
    1,769,479.59x = 2,642,217.53 × 1,405,565.53
  4. Step 4: Simplify right side
    1,769,479.59x = 3,713,809,869,296.37
  5. Step 5: Solve for x
    x = 3,713,809,869,296.37/1,769,479.59
  6. Step 6: Final answer
    x = 2,098,814.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.