Home / 876,629.10-1,314,943.65-455,850.30

Finding the Fourth Proportional to 876,629.10, 1,314,943.65 and 455,850.30

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Solution

The fourth proportional to 876,629.10, 1,314,943.65 and 455,850.30 is: 683,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,629.10 : 1,314,943.65 = 455,850.30 : x
  2. Step 2: Convert to fraction form
    876,629.10/1,314,943.65 = 455,850.30/x
  3. Step 3: Cross multiply
    876,629.10x = 1,314,943.65 × 455,850.30
  4. Step 4: Simplify right side
    876,629.10x = 599,417,457,335.60
  5. Step 5: Solve for x
    x = 599,417,457,335.60/876,629.10
  6. Step 6: Final answer
    x = 683,775.45

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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.