Home / 1,623,651.36-2,240,606.80-898,498.86

Finding the Fourth Proportional to 1,623,651.36, 2,240,606.80 and 898,498.86

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Solution

The fourth proportional to 1,623,651.36, 2,240,606.80 and 898,498.86 is: 1,239,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,651.36 : 2,240,606.80 = 898,498.86 : x
  2. Step 2: Convert to fraction form
    1,623,651.36/2,240,606.80 = 898,498.86/x
  3. Step 3: Cross multiply
    1,623,651.36x = 2,240,606.80 × 898,498.86
  4. Step 4: Simplify right side
    1,623,651.36x = 2,013,182,639,812.72
  5. Step 5: Solve for x
    x = 2,013,182,639,812.72/1,623,651.36
  6. Step 6: Final answer
    x = 1,239,910.67

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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.