Home / 1,217,817.80-1,826,841.90-331,353.80

Finding the Fourth Proportional to 1,217,817.80, 1,826,841.90 and 331,353.80

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Solution

The fourth proportional to 1,217,817.80, 1,826,841.90 and 331,353.80 is: 497,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,817.80 : 1,826,841.90 = 331,353.80 : x
  2. Step 2: Convert to fraction form
    1,217,817.80/1,826,841.90 = 331,353.80/x
  3. Step 3: Cross multiply
    1,217,817.80x = 1,826,841.90 × 331,353.80
  4. Step 4: Simplify right side
    1,217,817.80x = 605,331,005,564.22
  5. Step 5: Solve for x
    x = 605,331,005,564.22/1,217,817.80
  6. Step 6: Final answer
    x = 497,062.04

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1.5x scale

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.