Home / 961,412.96-1,326,758.64-531,722.72

Finding the Fourth Proportional to 961,412.96, 1,326,758.64 and 531,722.72

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Solution

The fourth proportional to 961,412.96, 1,326,758.64 and 531,722.72 is: 733,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,412.96 : 1,326,758.64 = 531,722.72 : x
  2. Step 2: Convert to fraction form
    961,412.96/1,326,758.64 = 531,722.72/x
  3. Step 3: Cross multiply
    961,412.96x = 1,326,758.64 × 531,722.72
  4. Step 4: Simplify right side
    961,412.96x = 705,467,712,844.30
  5. Step 5: Solve for x
    x = 705,467,712,844.30/961,412.96
  6. Step 6: Final answer
    x = 733,782.20

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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.