Home / 1,731,214.20-2,389,199.22-956,828.40

Finding the Fourth Proportional to 1,731,214.20, 2,389,199.22 and 956,828.40

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Solution

The fourth proportional to 1,731,214.20, 2,389,199.22 and 956,828.40 is: 1,320,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,214.20 : 2,389,199.22 = 956,828.40 : x
  2. Step 2: Convert to fraction form
    1,731,214.20/2,389,199.22 = 956,828.40/x
  3. Step 3: Cross multiply
    1,731,214.20x = 2,389,199.22 × 956,828.40
  4. Step 4: Simplify right side
    1,731,214.20x = 2,286,053,672,110.36
  5. Step 5: Solve for x
    x = 2,286,053,672,110.36/1,731,214.20
  6. Step 6: Final answer
    x = 1,320,491.52

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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.