Home / 1,178,938-1,623,204.12-1,071,185.68

Finding the Fourth Proportional to 1,178,938, 1,623,204.12 and 1,071,185.68

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Solution

The fourth proportional to 1,178,938, 1,623,204.12 and 1,071,185.68 is: 1,474,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,938 : 1,623,204.12 = 1,071,185.68 : x
  2. Step 2: Convert to fraction form
    1,178,938/1,623,204.12 = 1,071,185.68/x
  3. Step 3: Cross multiply
    1,178,938x = 1,623,204.12 × 1,071,185.68
  4. Step 4: Simplify right side
    1,178,938x = 1,738,753,009,061.00
  5. Step 5: Solve for x
    x = 1,738,753,009,061.00/1,178,938
  6. Step 6: Final answer
    x = 1,474,846.86

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1.5x scale

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.