Home / 1,661,336.70-2,493,171.45-715,386.30

Finding the Fourth Proportional to 1,661,336.70, 2,493,171.45 and 715,386.30

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Solution

The fourth proportional to 1,661,336.70, 2,493,171.45 and 715,386.30 is: 1,073,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,336.70 : 2,493,171.45 = 715,386.30 : x
  2. Step 2: Convert to fraction form
    1,661,336.70/2,493,171.45 = 715,386.30/x
  3. Step 3: Cross multiply
    1,661,336.70x = 2,493,171.45 × 715,386.30
  4. Step 4: Simplify right side
    1,661,336.70x = 1,783,580,698,881.14
  5. Step 5: Solve for x
    x = 1,783,580,698,881.14/1,661,336.70
  6. Step 6: Final answer
    x = 1,073,581.71

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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.