Home / 1,439,674.76-1,986,751.14-836,101.64

Finding the Fourth Proportional to 1,439,674.76, 1,986,751.14 and 836,101.64

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Solution

The fourth proportional to 1,439,674.76, 1,986,751.14 and 836,101.64 is: 1,153,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,674.76 : 1,986,751.14 = 836,101.64 : x
  2. Step 2: Convert to fraction form
    1,439,674.76/1,986,751.14 = 836,101.64/x
  3. Step 3: Cross multiply
    1,439,674.76x = 1,986,751.14 × 836,101.64
  4. Step 4: Simplify right side
    1,439,674.76x = 1,661,125,886,425.87
  5. Step 5: Solve for x
    x = 1,661,125,886,425.87/1,439,674.76
  6. Step 6: Final answer
    x = 1,153,820.25

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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.