Home / 1,337,605.68-2,006,816.76-426,763.92

Finding the Fourth Proportional to 1,337,605.68, 2,006,816.76 and 426,763.92

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Solution

The fourth proportional to 1,337,605.68, 2,006,816.76 and 426,763.92 is: 640,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,605.68 : 2,006,816.76 = 426,763.92 : x
  2. Step 2: Convert to fraction form
    1,337,605.68/2,006,816.76 = 426,763.92/x
  3. Step 3: Cross multiply
    1,337,605.68x = 2,006,816.76 × 426,763.92
  4. Step 4: Simplify right side
    1,337,605.68x = 856,436,987,219.30
  5. Step 5: Solve for x
    x = 856,436,987,219.30/1,337,605.68
  6. Step 6: Final answer
    x = 640,276.13

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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.