Home / 1,317,757.13-1,818,506.07-714,145.13

Finding the Fourth Proportional to 1,317,757.13, 1,818,506.07 and 714,145.13

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Solution

The fourth proportional to 1,317,757.13, 1,818,506.07 and 714,145.13 is: 985,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,757.13 : 1,818,506.07 = 714,145.13 : x
  2. Step 2: Convert to fraction form
    1,317,757.13/1,818,506.07 = 714,145.13/x
  3. Step 3: Cross multiply
    1,317,757.13x = 1,818,506.07 × 714,145.13
  4. Step 4: Simplify right side
    1,317,757.13x = 1,298,677,244,673.41
  5. Step 5: Solve for x
    x = 1,298,677,244,673.41/1,317,757.13
  6. Step 6: Final answer
    x = 985,520.94

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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.