Home / 1,272,505.86-1,756,091.61-699,560.46

Finding the Fourth Proportional to 1,272,505.86, 1,756,091.61 and 699,560.46

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Solution

The fourth proportional to 1,272,505.86, 1,756,091.61 and 699,560.46 is: 965,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,505.86 : 1,756,091.61 = 699,560.46 : x
  2. Step 2: Convert to fraction form
    1,272,505.86/1,756,091.61 = 699,560.46/x
  3. Step 3: Cross multiply
    1,272,505.86x = 1,756,091.61 × 699,560.46
  4. Step 4: Simplify right side
    1,272,505.86x = 1,228,492,254,493.74
  5. Step 5: Solve for x
    x = 1,228,492,254,493.74/1,272,505.86
  6. Step 6: Final answer
    x = 965,411.86

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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.