Home / 1,639,145.70-2,458,718.55-517,214.70

Finding the Fourth Proportional to 1,639,145.70, 2,458,718.55 and 517,214.70

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Solution

The fourth proportional to 1,639,145.70, 2,458,718.55 and 517,214.70 is: 775,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,145.70 : 2,458,718.55 = 517,214.70 : x
  2. Step 2: Convert to fraction form
    1,639,145.70/2,458,718.55 = 517,214.70/x
  3. Step 3: Cross multiply
    1,639,145.70x = 2,458,718.55 × 517,214.70
  4. Step 4: Simplify right side
    1,639,145.70x = 1,271,685,377,222.68
  5. Step 5: Solve for x
    x = 1,271,685,377,222.68/1,639,145.70
  6. Step 6: Final answer
    x = 775,822.05

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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.