Home / 1,637,069.77-2,455,582.78-422,650.54

Finding the Fourth Proportional to 1,637,069.77, 2,455,582.78 and 422,650.54

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Solution

The fourth proportional to 1,637,069.77, 2,455,582.78 and 422,650.54 is: 633,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,069.77 : 2,455,582.78 = 422,650.54 : x
  2. Step 2: Convert to fraction form
    1,637,069.77/2,455,582.78 = 422,650.54/x
  3. Step 3: Cross multiply
    1,637,069.77x = 2,455,582.78 × 422,650.54
  4. Step 4: Simplify right side
    1,637,069.77x = 1,037,853,387,981.70
  5. Step 5: Solve for x
    x = 1,037,853,387,981.70/1,637,069.77
  6. Step 6: Final answer
    x = 633,970.16

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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.