Home / 949,114.64-1,309,775.80-519,391.01

Finding the Fourth Proportional to 949,114.64, 1,309,775.80 and 519,391.01

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Solution

The fourth proportional to 949,114.64, 1,309,775.80 and 519,391.01 is: 716,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,114.64 : 1,309,775.80 = 519,391.01 : x
  2. Step 2: Convert to fraction form
    949,114.64/1,309,775.80 = 519,391.01/x
  3. Step 3: Cross multiply
    949,114.64x = 1,309,775.80 × 519,391.01
  4. Step 4: Simplify right side
    949,114.64x = 680,285,775,635.56
  5. Step 5: Solve for x
    x = 680,285,775,635.56/949,114.64
  6. Step 6: Final answer
    x = 716,758.28

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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.