Home / 772,917.12-1,160,089.29-557,000.28

Finding the Fourth Proportional to 772,917.12, 1,160,089.29 and 557,000.28

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Solution

The fourth proportional to 772,917.12, 1,160,089.29 and 557,000.28 is: 836,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,917.12 : 1,160,089.29 = 557,000.28 : x
  2. Step 2: Convert to fraction form
    772,917.12/1,160,089.29 = 557,000.28/x
  3. Step 3: Cross multiply
    772,917.12x = 1,160,089.29 × 557,000.28
  4. Step 4: Simplify right side
    772,917.12x = 646,170,059,355.00
  5. Step 5: Solve for x
    x = 646,170,059,355.00/772,917.12
  6. Step 6: Final answer
    x = 836,014.68

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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.