Home / 1,686,320.70-2,327,178-922,374.36

Finding the Fourth Proportional to 1,686,320.70, 2,327,178 and 922,374.36

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Solution

The fourth proportional to 1,686,320.70, 2,327,178 and 922,374.36 is: 1,272,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,320.70 : 2,327,178 = 922,374.36 : x
  2. Step 2: Convert to fraction form
    1,686,320.70/2,327,178 = 922,374.36/x
  3. Step 3: Cross multiply
    1,686,320.70x = 2,327,178 × 922,374.36
  4. Step 4: Simplify right side
    1,686,320.70x = 2,146,529,318,356.08
  5. Step 5: Solve for x
    x = 2,146,529,318,356.08/1,686,320.70
  6. Step 6: Final answer
    x = 1,272,906.94

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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.