Home / 1,229,885.68-1,697,318.27-678,598.69

Finding the Fourth Proportional to 1,229,885.68, 1,697,318.27 and 678,598.69

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Solution

The fourth proportional to 1,229,885.68, 1,697,318.27 and 678,598.69 is: 936,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,885.68 : 1,697,318.27 = 678,598.69 : x
  2. Step 2: Convert to fraction form
    1,229,885.68/1,697,318.27 = 678,598.69/x
  3. Step 3: Cross multiply
    1,229,885.68x = 1,697,318.27 × 678,598.69
  4. Step 4: Simplify right side
    1,229,885.68x = 1,151,797,954,535.07
  5. Step 5: Solve for x
    x = 1,151,797,954,535.07/1,229,885.68
  6. Step 6: Final answer
    x = 936,508.14

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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.