Home / 1,005,938.56-1,391,850.64-877,145.60

Finding the Fourth Proportional to 1,005,938.56, 1,391,850.64 and 877,145.60

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Solution

The fourth proportional to 1,005,938.56, 1,391,850.64 and 877,145.60 is: 1,213,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,938.56 : 1,391,850.64 = 877,145.60 : x
  2. Step 2: Convert to fraction form
    1,005,938.56/1,391,850.64 = 877,145.60/x
  3. Step 3: Cross multiply
    1,005,938.56x = 1,391,850.64 × 877,145.60
  4. Step 4: Simplify right side
    1,005,938.56x = 1,220,855,664,733.18
  5. Step 5: Solve for x
    x = 1,220,855,664,733.18/1,005,938.56
  6. Step 6: Final answer
    x = 1,213,648.34

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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.