Home / 1,255,920.84-1,883,946.60-414,538.20

Finding the Fourth Proportional to 1,255,920.84, 1,883,946.60 and 414,538.20

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Solution

The fourth proportional to 1,255,920.84, 1,883,946.60 and 414,538.20 is: 621,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,920.84 : 1,883,946.60 = 414,538.20 : x
  2. Step 2: Convert to fraction form
    1,255,920.84/1,883,946.60 = 414,538.20/x
  3. Step 3: Cross multiply
    1,255,920.84x = 1,883,946.60 × 414,538.20
  4. Step 4: Simplify right side
    1,255,920.84x = 780,967,832,460.12
  5. Step 5: Solve for x
    x = 780,967,832,460.12/1,255,920.84
  6. Step 6: Final answer
    x = 621,828.87

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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.