Home / 1,127,018.94-1,555,323.75-617,722.62

Finding the Fourth Proportional to 1,127,018.94, 1,555,323.75 and 617,722.62

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Solution

The fourth proportional to 1,127,018.94, 1,555,323.75 and 617,722.62 is: 852,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,018.94 : 1,555,323.75 = 617,722.62 : x
  2. Step 2: Convert to fraction form
    1,127,018.94/1,555,323.75 = 617,722.62/x
  3. Step 3: Cross multiply
    1,127,018.94x = 1,555,323.75 × 617,722.62
  4. Step 4: Simplify right side
    1,127,018.94x = 960,758,661,798.23
  5. Step 5: Solve for x
    x = 960,758,661,798.23/1,127,018.94
  6. Step 6: Final answer
    x = 852,477.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.