Home / 1,938,927.78-2,907,079.47-676,066.50

Finding the Fourth Proportional to 1,938,927.78, 2,907,079.47 and 676,066.50

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Solution

The fourth proportional to 1,938,927.78, 2,907,079.47 and 676,066.50 is: 1,013,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,927.78 : 2,907,079.47 = 676,066.50 : x
  2. Step 2: Convert to fraction form
    1,938,927.78/2,907,079.47 = 676,066.50/x
  3. Step 3: Cross multiply
    1,938,927.78x = 2,907,079.47 × 676,066.50
  4. Step 4: Simplify right side
    1,938,927.78x = 1,965,379,042,504.76
  5. Step 5: Solve for x
    x = 1,965,379,042,504.76/1,938,927.78
  6. Step 6: Final answer
    x = 1,013,642.21

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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.