Home / 926,671.19-1,278,789.93-513,199.40

Finding the Fourth Proportional to 926,671.19, 1,278,789.93 and 513,199.40

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Solution

The fourth proportional to 926,671.19, 1,278,789.93 and 513,199.40 is: 708,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,671.19 : 1,278,789.93 = 513,199.40 : x
  2. Step 2: Convert to fraction form
    926,671.19/1,278,789.93 = 513,199.40/x
  3. Step 3: Cross multiply
    926,671.19x = 1,278,789.93 × 513,199.40
  4. Step 4: Simplify right side
    926,671.19x = 656,274,218,408.09
  5. Step 5: Solve for x
    x = 656,274,218,408.09/926,671.19
  6. Step 6: Final answer
    x = 708,206.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.