Home / 1,254,504.20-1,881,756.30-412,946.60

Finding the Fourth Proportional to 1,254,504.20, 1,881,756.30 and 412,946.60

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Solution

The fourth proportional to 1,254,504.20, 1,881,756.30 and 412,946.60 is: 619,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,504.20 : 1,881,756.30 = 412,946.60 : x
  2. Step 2: Convert to fraction form
    1,254,504.20/1,881,756.30 = 412,946.60/x
  3. Step 3: Cross multiply
    1,254,504.20x = 1,881,756.30 × 412,946.60
  4. Step 4: Simplify right side
    1,254,504.20x = 777,064,866,113.58
  5. Step 5: Solve for x
    x = 777,064,866,113.58/1,254,504.20
  6. Step 6: Final answer
    x = 619,419.90

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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.