Home / 1,127,127.33-1,555,499.34-668,513.43

Finding the Fourth Proportional to 1,127,127.33, 1,555,499.34 and 668,513.43

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Solution

The fourth proportional to 1,127,127.33, 1,555,499.34 and 668,513.43 is: 922,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,127.33 : 1,555,499.34 = 668,513.43 : x
  2. Step 2: Convert to fraction form
    1,127,127.33/1,555,499.34 = 668,513.43/x
  3. Step 3: Cross multiply
    1,127,127.33x = 1,555,499.34 × 668,513.43
  4. Step 4: Simplify right side
    1,127,127.33x = 1,039,872,199,146.14
  5. Step 5: Solve for x
    x = 1,039,872,199,146.14/1,127,127.33
  6. Step 6: Final answer
    x = 922,586.27

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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.