Home / 1,329,998.20-1,993,685.10-655,527.40

Finding the Fourth Proportional to 1,329,998.20, 1,993,685.10 and 655,527.40

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Solution

The fourth proportional to 1,329,998.20, 1,993,685.10 and 655,527.40 is: 982,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,998.20 : 1,993,685.10 = 655,527.40 : x
  2. Step 2: Convert to fraction form
    1,329,998.20/1,993,685.10 = 655,527.40/x
  3. Step 3: Cross multiply
    1,329,998.20x = 1,993,685.10 × 655,527.40
  4. Step 4: Simplify right side
    1,329,998.20x = 1,306,915,210,021.74
  5. Step 5: Solve for x
    x = 1,306,915,210,021.74/1,329,998.20
  6. Step 6: Final answer
    x = 982,644.34

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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.