Home / 1,683,783.50-2,323,620.74-909,414.30

Finding the Fourth Proportional to 1,683,783.50, 2,323,620.74 and 909,414.30

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Solution

The fourth proportional to 1,683,783.50, 2,323,620.74 and 909,414.30 is: 1,254,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,783.50 : 2,323,620.74 = 909,414.30 : x
  2. Step 2: Convert to fraction form
    1,683,783.50/2,323,620.74 = 909,414.30/x
  3. Step 3: Cross multiply
    1,683,783.50x = 2,323,620.74 × 909,414.30
  4. Step 4: Simplify right side
    1,683,783.50x = 2,113,133,924,185.51
  5. Step 5: Solve for x
    x = 2,113,133,924,185.51/1,683,783.50
  6. Step 6: Final answer
    x = 1,254,991.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.