Home / 1,272,776.55-1,756,431.32-699,853.83

Finding the Fourth Proportional to 1,272,776.55, 1,756,431.32 and 699,853.83

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Solution

The fourth proportional to 1,272,776.55, 1,756,431.32 and 699,853.83 is: 965,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,776.55 : 1,756,431.32 = 699,853.83 : x
  2. Step 2: Convert to fraction form
    1,272,776.55/1,756,431.32 = 699,853.83/x
  3. Step 3: Cross multiply
    1,272,776.55x = 1,756,431.32 × 699,853.83
  4. Step 4: Simplify right side
    1,272,776.55x = 1,229,245,182,934.69
  5. Step 5: Solve for x
    x = 1,229,245,182,934.69/1,272,776.55
  6. Step 6: Final answer
    x = 965,798.11

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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.