Home / 1,126,531.32-1,689,782.28-273,609.96

Finding the Fourth Proportional to 1,126,531.32, 1,689,782.28 and 273,609.96

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Solution

The fourth proportional to 1,126,531.32, 1,689,782.28 and 273,609.96 is: 410,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,531.32 : 1,689,782.28 = 273,609.96 : x
  2. Step 2: Convert to fraction form
    1,126,531.32/1,689,782.28 = 273,609.96/x
  3. Step 3: Cross multiply
    1,126,531.32x = 1,689,782.28 × 273,609.96
  4. Step 4: Simplify right side
    1,126,531.32x = 462,341,262,039.51
  5. Step 5: Solve for x
    x = 462,341,262,039.51/1,126,531.32
  6. Step 6: Final answer
    x = 410,411.37

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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.