Home / 1,187,837.88-1,780,910.64-556,407.24

Finding the Fourth Proportional to 1,187,837.88, 1,780,910.64 and 556,407.24

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Solution

The fourth proportional to 1,187,837.88, 1,780,910.64 and 556,407.24 is: 834,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,837.88 : 1,780,910.64 = 556,407.24 : x
  2. Step 2: Convert to fraction form
    1,187,837.88/1,780,910.64 = 556,407.24/x
  3. Step 3: Cross multiply
    1,187,837.88x = 1,780,910.64 × 556,407.24
  4. Step 4: Simplify right side
    1,187,837.88x = 990,911,573,889.03
  5. Step 5: Solve for x
    x = 990,911,573,889.03/1,187,837.88
  6. Step 6: Final answer
    x = 834,214.49

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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.