Home / 1,281,661.13-1,922,912.90-524,139.81

Finding the Fourth Proportional to 1,281,661.13, 1,922,912.90 and 524,139.81

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Solution

The fourth proportional to 1,281,661.13, 1,922,912.90 and 524,139.81 is: 786,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,661.13 : 1,922,912.90 = 524,139.81 : x
  2. Step 2: Convert to fraction form
    1,281,661.13/1,922,912.90 = 524,139.81/x
  3. Step 3: Cross multiply
    1,281,661.13x = 1,922,912.90 × 524,139.81
  4. Step 4: Simplify right side
    1,281,661.13x = 1,007,875,199,431.85
  5. Step 5: Solve for x
    x = 1,007,875,199,431.85/1,281,661.13
  6. Step 6: Final answer
    x = 786,381.97

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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.