Home / 1,403,677.60-2,105,516.40-693,558.70

Finding the Fourth Proportional to 1,403,677.60, 2,105,516.40 and 693,558.70

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Solution

The fourth proportional to 1,403,677.60, 2,105,516.40 and 693,558.70 is: 1,040,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,677.60 : 2,105,516.40 = 693,558.70 : x
  2. Step 2: Convert to fraction form
    1,403,677.60/2,105,516.40 = 693,558.70/x
  3. Step 3: Cross multiply
    1,403,677.60x = 2,105,516.40 × 693,558.70
  4. Step 4: Simplify right side
    1,403,677.60x = 1,460,299,217,212.68
  5. Step 5: Solve for x
    x = 1,460,299,217,212.68/1,403,677.60
  6. Step 6: Final answer
    x = 1,040,338.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.