Home / 1,243,622.80-1,864,512.60-533,069.20

Finding the Fourth Proportional to 1,243,622.80, 1,864,512.60 and 533,069.20

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Solution

The fourth proportional to 1,243,622.80, 1,864,512.60 and 533,069.20 is: 799,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,622.80 : 1,864,512.60 = 533,069.20 : x
  2. Step 2: Convert to fraction form
    1,243,622.80/1,864,512.60 = 533,069.20/x
  3. Step 3: Cross multiply
    1,243,622.80x = 1,864,512.60 × 533,069.20
  4. Step 4: Simplify right side
    1,243,622.80x = 993,914,240,071.92
  5. Step 5: Solve for x
    x = 993,914,240,071.92/1,243,622.80
  6. Step 6: Final answer
    x = 799,208.76

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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.