Home / 1,218,292.11-1,825,440.71-862,667.69

Finding the Fourth Proportional to 1,218,292.11, 1,825,440.71 and 862,667.69

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Solution

The fourth proportional to 1,218,292.11, 1,825,440.71 and 862,667.69 is: 1,292,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,292.11 : 1,825,440.71 = 862,667.69 : x
  2. Step 2: Convert to fraction form
    1,218,292.11/1,825,440.71 = 862,667.69/x
  3. Step 3: Cross multiply
    1,218,292.11x = 1,825,440.71 × 862,667.69
  4. Step 4: Simplify right side
    1,218,292.11x = 1,574,748,707,087.12
  5. Step 5: Solve for x
    x = 1,574,748,707,087.12/1,218,292.11
  6. Step 6: Final answer
    x = 1,292,587.13

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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.