Home / 1,214,333.48-1,677,268.14-909,771.86

Finding the Fourth Proportional to 1,214,333.48, 1,677,268.14 and 909,771.86

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Solution

The fourth proportional to 1,214,333.48, 1,677,268.14 and 909,771.86 is: 1,256,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,333.48 : 1,677,268.14 = 909,771.86 : x
  2. Step 2: Convert to fraction form
    1,214,333.48/1,677,268.14 = 909,771.86/x
  3. Step 3: Cross multiply
    1,214,333.48x = 1,677,268.14 × 909,771.86
  4. Step 4: Simplify right side
    1,214,333.48x = 1,525,931,355,446.54
  5. Step 5: Solve for x
    x = 1,525,931,355,446.54/1,214,333.48
  6. Step 6: Final answer
    x = 1,256,599.92

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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.