Home / 1,623,689.11-2,240,635.80-898,567.39

Finding the Fourth Proportional to 1,623,689.11, 2,240,635.80 and 898,567.39

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Solution

The fourth proportional to 1,623,689.11, 2,240,635.80 and 898,567.39 is: 1,239,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,689.11 : 2,240,635.80 = 898,567.39 : x
  2. Step 2: Convert to fraction form
    1,623,689.11/2,240,635.80 = 898,567.39/x
  3. Step 3: Cross multiply
    1,623,689.11x = 2,240,635.80 × 898,567.39
  4. Step 4: Simplify right side
    1,623,689.11x = 2,013,362,262,746.56
  5. Step 5: Solve for x
    x = 2,013,362,262,746.56/1,623,689.11
  6. Step 6: Final answer
    x = 1,239,992.47

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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.