Home / 1,423,137.69-2,134,574.24-398,560.59

Finding the Fourth Proportional to 1,423,137.69, 2,134,574.24 and 398,560.59

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Solution

The fourth proportional to 1,423,137.69, 2,134,574.24 and 398,560.59 is: 597,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,137.69 : 2,134,574.24 = 398,560.59 : x
  2. Step 2: Convert to fraction form
    1,423,137.69/2,134,574.24 = 398,560.59/x
  3. Step 3: Cross multiply
    1,423,137.69x = 2,134,574.24 × 398,560.59
  4. Step 4: Simplify right side
    1,423,137.69x = 850,757,166,500.40
  5. Step 5: Solve for x
    x = 850,757,166,500.40/1,423,137.69
  6. Step 6: Final answer
    x = 597,803.83

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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.