Home / 1,731,218.40-2,389,205.07-956,832.57

Finding the Fourth Proportional to 1,731,218.40, 2,389,205.07 and 956,832.57

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Solution

The fourth proportional to 1,731,218.40, 2,389,205.07 and 956,832.57 is: 1,320,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,218.40 : 2,389,205.07 = 956,832.57 : x
  2. Step 2: Convert to fraction form
    1,731,218.40/2,389,205.07 = 956,832.57/x
  3. Step 3: Cross multiply
    1,731,218.40x = 2,389,205.07 × 956,832.57
  4. Step 4: Simplify right side
    1,731,218.40x = 2,286,069,227,385.13
  5. Step 5: Solve for x
    x = 2,286,069,227,385.13/1,731,218.40
  6. Step 6: Final answer
    x = 1,320,497.30

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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.