Home / 1,338,186.08-2,006,957.72-617,835.68

Finding the Fourth Proportional to 1,338,186.08, 2,006,957.72 and 617,835.68

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Solution

The fourth proportional to 1,338,186.08, 2,006,957.72 and 617,835.68 is: 926,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,186.08 : 2,006,957.72 = 617,835.68 : x
  2. Step 2: Convert to fraction form
    1,338,186.08/2,006,957.72 = 617,835.68/x
  3. Step 3: Cross multiply
    1,338,186.08x = 2,006,957.72 × 617,835.68
  4. Step 4: Simplify right side
    1,338,186.08x = 1,239,970,077,632.66
  5. Step 5: Solve for x
    x = 1,239,970,077,632.66/1,338,186.08
  6. Step 6: Final answer
    x = 926,605.12

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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.