Home / 1,391,510.80-2,087,266.20-444,912.40

Finding the Fourth Proportional to 1,391,510.80, 2,087,266.20 and 444,912.40

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Solution

The fourth proportional to 1,391,510.80, 2,087,266.20 and 444,912.40 is: 667,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,510.80 : 2,087,266.20 = 444,912.40 : x
  2. Step 2: Convert to fraction form
    1,391,510.80/2,087,266.20 = 444,912.40/x
  3. Step 3: Cross multiply
    1,391,510.80x = 2,087,266.20 × 444,912.40
  4. Step 4: Simplify right side
    1,391,510.80x = 928,650,614,480.88
  5. Step 5: Solve for x
    x = 928,650,614,480.88/1,391,510.80
  6. Step 6: Final answer
    x = 667,368.60

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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.