Home / 949,693.40-1,310,577.08-519,973.64

Finding the Fourth Proportional to 949,693.40, 1,310,577.08 and 519,973.64

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Solution

The fourth proportional to 949,693.40, 1,310,577.08 and 519,973.64 is: 717,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,693.40 : 1,310,577.08 = 519,973.64 : x
  2. Step 2: Convert to fraction form
    949,693.40/1,310,577.08 = 519,973.64/x
  3. Step 3: Cross multiply
    949,693.40x = 1,310,577.08 × 519,973.64
  4. Step 4: Simplify right side
    949,693.40x = 681,465,534,788.17
  5. Step 5: Solve for x
    x = 681,465,534,788.17/949,693.40
  6. Step 6: Final answer
    x = 717,563.73

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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.