Home / 1,533,756.70-2,116,741.80-922,108.78

Finding the Fourth Proportional to 1,533,756.70, 2,116,741.80 and 922,108.78

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Solution

The fourth proportional to 1,533,756.70, 2,116,741.80 and 922,108.78 is: 1,272,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,756.70 : 2,116,741.80 = 922,108.78 : x
  2. Step 2: Convert to fraction form
    1,533,756.70/2,116,741.80 = 922,108.78/x
  3. Step 3: Cross multiply
    1,533,756.70x = 2,116,741.80 × 922,108.78
  4. Step 4: Simplify right side
    1,533,756.70x = 1,951,866,198,773.00
  5. Step 5: Solve for x
    x = 1,951,866,198,773.00/1,533,756.70
  6. Step 6: Final answer
    x = 1,272,604.84

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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.