Home / 949,534.88-1,310,355.93-519,811.25

Finding the Fourth Proportional to 949,534.88, 1,310,355.93 and 519,811.25

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Solution

The fourth proportional to 949,534.88, 1,310,355.93 and 519,811.25 is: 717,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,534.88 : 1,310,355.93 = 519,811.25 : x
  2. Step 2: Convert to fraction form
    949,534.88/1,310,355.93 = 519,811.25/x
  3. Step 3: Cross multiply
    949,534.88x = 1,310,355.93 × 519,811.25
  4. Step 4: Simplify right side
    949,534.88x = 681,137,753,918.21
  5. Step 5: Solve for x
    x = 681,137,753,918.21/949,534.88
  6. Step 6: Final answer
    x = 717,338.32

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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.