Home / 1,206,155.16-1,808,956.35-719,974.53

Finding the Fourth Proportional to 1,206,155.16, 1,808,956.35 and 719,974.53

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Solution

The fourth proportional to 1,206,155.16, 1,808,956.35 and 719,974.53 is: 1,079,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,155.16 : 1,808,956.35 = 719,974.53 : x
  2. Step 2: Convert to fraction form
    1,206,155.16/1,808,956.35 = 719,974.53/x
  3. Step 3: Cross multiply
    1,206,155.16x = 1,808,956.35 × 719,974.53
  4. Step 4: Simplify right side
    1,206,155.16x = 1,302,402,497,881.77
  5. Step 5: Solve for x
    x = 1,302,402,497,881.77/1,206,155.16
  6. Step 6: Final answer
    x = 1,079,796.81

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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.