Home / 1,191,764.34-1,787,376.93-338,817.05

Finding the Fourth Proportional to 1,191,764.34, 1,787,376.93 and 338,817.05

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Solution

The fourth proportional to 1,191,764.34, 1,787,376.93 and 338,817.05 is: 508,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,764.34 : 1,787,376.93 = 338,817.05 : x
  2. Step 2: Convert to fraction form
    1,191,764.34/1,787,376.93 = 338,817.05/x
  3. Step 3: Cross multiply
    1,191,764.34x = 1,787,376.93 × 338,817.05
  4. Step 4: Simplify right side
    1,191,764.34x = 605,593,782,088.72
  5. Step 5: Solve for x
    x = 605,593,782,088.72/1,191,764.34
  6. Step 6: Final answer
    x = 508,148.94

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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.