Home / 1,127,545.72-1,691,567.36-328,889.77

Finding the Fourth Proportional to 1,127,545.72, 1,691,567.36 and 328,889.77

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Solution

The fourth proportional to 1,127,545.72, 1,691,567.36 and 328,889.77 is: 493,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,545.72 : 1,691,567.36 = 328,889.77 : x
  2. Step 2: Convert to fraction form
    1,127,545.72/1,691,567.36 = 328,889.77/x
  3. Step 3: Cross multiply
    1,127,545.72x = 1,691,567.36 × 328,889.77
  4. Step 4: Simplify right side
    1,127,545.72x = 556,339,203,919.94
  5. Step 5: Solve for x
    x = 556,339,203,919.94/1,127,545.72
  6. Step 6: Final answer
    x = 493,407.22

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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.