Home / 1,245,168.88-1,867,949.84-435,779.33

Finding the Fourth Proportional to 1,245,168.88, 1,867,949.84 and 435,779.33

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Solution

The fourth proportional to 1,245,168.88, 1,867,949.84 and 435,779.33 is: 653,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,168.88 : 1,867,949.84 = 435,779.33 : x
  2. Step 2: Convert to fraction form
    1,245,168.88/1,867,949.84 = 435,779.33/x
  3. Step 3: Cross multiply
    1,245,168.88x = 1,867,949.84 × 435,779.33
  4. Step 4: Simplify right side
    1,245,168.88x = 814,013,921,498.51
  5. Step 5: Solve for x
    x = 814,013,921,498.51/1,245,168.88
  6. Step 6: Final answer
    x = 653,737.77

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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.