Home / 709,084.87-1,062,741.47-455,690.95

Finding the Fourth Proportional to 709,084.87, 1,062,741.47 and 455,690.95

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Solution

The fourth proportional to 709,084.87, 1,062,741.47 and 455,690.95 is: 682,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,084.87 : 1,062,741.47 = 455,690.95 : x
  2. Step 2: Convert to fraction form
    709,084.87/1,062,741.47 = 455,690.95/x
  3. Step 3: Cross multiply
    709,084.87x = 1,062,741.47 × 455,690.95
  4. Step 4: Simplify right side
    709,084.87x = 484,281,665,133.39
  5. Step 5: Solve for x
    x = 484,281,665,133.39/709,084.87
  6. Step 6: Final answer
    x = 682,967.14

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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.