Home / 1,686,854.80-2,327,917.76-922,908.40

Finding the Fourth Proportional to 1,686,854.80, 2,327,917.76 and 922,908.40

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Solution

The fourth proportional to 1,686,854.80, 2,327,917.76 and 922,908.40 is: 1,273,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,854.80 : 2,327,917.76 = 922,908.40 : x
  2. Step 2: Convert to fraction form
    1,686,854.80/2,327,917.76 = 922,908.40/x
  3. Step 3: Cross multiply
    1,686,854.80x = 2,327,917.76 × 922,908.40
  4. Step 4: Simplify right side
    1,686,854.80x = 2,148,454,855,213.18
  5. Step 5: Solve for x
    x = 2,148,454,855,213.18/1,686,854.80
  6. Step 6: Final answer
    x = 1,273,645.40

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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.