Home / 1,686,628.21-2,327,601.94-922,681.77

Finding the Fourth Proportional to 1,686,628.21, 2,327,601.94 and 922,681.77

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Solution

The fourth proportional to 1,686,628.21, 2,327,601.94 and 922,681.77 is: 1,273,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,628.21 : 2,327,601.94 = 922,681.77 : x
  2. Step 2: Convert to fraction form
    1,686,628.21/2,327,601.94 = 922,681.77/x
  3. Step 3: Cross multiply
    1,686,628.21x = 2,327,601.94 × 922,681.77
  4. Step 4: Simplify right side
    1,686,628.21x = 2,147,635,877,854.63
  5. Step 5: Solve for x
    x = 2,147,635,877,854.63/1,686,628.21
  6. Step 6: Final answer
    x = 1,273,330.94

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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.