Home / 1,217,900.90-1,826,851.35-376,537.70

Finding the Fourth Proportional to 1,217,900.90, 1,826,851.35 and 376,537.70

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Solution

The fourth proportional to 1,217,900.90, 1,826,851.35 and 376,537.70 is: 564,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,900.90 : 1,826,851.35 = 376,537.70 : x
  2. Step 2: Convert to fraction form
    1,217,900.90/1,826,851.35 = 376,537.70/x
  3. Step 3: Cross multiply
    1,217,900.90x = 1,826,851.35 × 376,537.70
  4. Step 4: Simplify right side
    1,217,900.90x = 687,878,405,570.90
  5. Step 5: Solve for x
    x = 687,878,405,570.90/1,217,900.90
  6. Step 6: Final answer
    x = 564,806.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.