Home / 1,577,396.25-2,176,806.83-898,395.93

Finding the Fourth Proportional to 1,577,396.25, 2,176,806.83 and 898,395.93

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Solution

The fourth proportional to 1,577,396.25, 2,176,806.83 and 898,395.93 is: 1,239,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,396.25 : 2,176,806.83 = 898,395.93 : x
  2. Step 2: Convert to fraction form
    1,577,396.25/2,176,806.83 = 898,395.93/x
  3. Step 3: Cross multiply
    1,577,396.25x = 2,176,806.83 × 898,395.93
  4. Step 4: Simplify right side
    1,577,396.25x = 1,955,634,391,976.22
  5. Step 5: Solve for x
    x = 1,955,634,391,976.22/1,577,396.25
  6. Step 6: Final answer
    x = 1,239,786.38

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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.