Home / 1,213,585.52-1,670,811.72-955,006.64

Finding the Fourth Proportional to 1,213,585.52, 1,670,811.72 and 955,006.64

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Solution

The fourth proportional to 1,213,585.52, 1,670,811.72 and 955,006.64 is: 1,314,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,585.52 : 1,670,811.72 = 955,006.64 : x
  2. Step 2: Convert to fraction form
    1,213,585.52/1,670,811.72 = 955,006.64/x
  3. Step 3: Cross multiply
    1,213,585.52x = 1,670,811.72 × 955,006.64
  4. Step 4: Simplify right side
    1,213,585.52x = 1,595,636,286,789.82
  5. Step 5: Solve for x
    x = 1,595,636,286,789.82/1,213,585.52
  6. Step 6: Final answer
    x = 1,314,811.57

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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.