Home / 1,545,661.96-2,319,160.38-836,189.80

Finding the Fourth Proportional to 1,545,661.96, 2,319,160.38 and 836,189.80

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Solution

The fourth proportional to 1,545,661.96, 2,319,160.38 and 836,189.80 is: 1,254,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,661.96 : 2,319,160.38 = 836,189.80 : x
  2. Step 2: Convert to fraction form
    1,545,661.96/2,319,160.38 = 836,189.80/x
  3. Step 3: Cross multiply
    1,545,661.96x = 2,319,160.38 × 836,189.80
  4. Step 4: Simplify right side
    1,545,661.96x = 1,939,258,254,320.12
  5. Step 5: Solve for x
    x = 1,939,258,254,320.12/1,545,661.96
  6. Step 6: Final answer
    x = 1,254,645.78

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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.