Home / 1,049,403.60-1,447,409.88-686,244.96

Finding the Fourth Proportional to 1,049,403.60, 1,447,409.88 and 686,244.96

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Solution

The fourth proportional to 1,049,403.60, 1,447,409.88 and 686,244.96 is: 946,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,403.60 : 1,447,409.88 = 686,244.96 : x
  2. Step 2: Convert to fraction form
    1,049,403.60/1,447,409.88 = 686,244.96/x
  3. Step 3: Cross multiply
    1,049,403.60x = 1,447,409.88 × 686,244.96
  4. Step 4: Simplify right side
    1,049,403.60x = 993,277,735,204.21
  5. Step 5: Solve for x
    x = 993,277,735,204.21/1,049,403.60
  6. Step 6: Final answer
    x = 946,516.42

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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.