Home / 1,434,573.11-1,979,116.74-853,679.93

Finding the Fourth Proportional to 1,434,573.11, 1,979,116.74 and 853,679.93

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Solution

The fourth proportional to 1,434,573.11, 1,979,116.74 and 853,679.93 is: 1,177,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,573.11 : 1,979,116.74 = 853,679.93 : x
  2. Step 2: Convert to fraction form
    1,434,573.11/1,979,116.74 = 853,679.93/x
  3. Step 3: Cross multiply
    1,434,573.11x = 1,979,116.74 × 853,679.93
  4. Step 4: Simplify right side
    1,434,573.11x = 1,689,532,240,065.03
  5. Step 5: Solve for x
    x = 1,689,532,240,065.03/1,434,573.11
  6. Step 6: Final answer
    x = 1,177,724.74

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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.