Home / 751,013.10-1,126,519.38-498,786

Finding the Fourth Proportional to 751,013.10, 1,126,519.38 and 498,786

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Solution

The fourth proportional to 751,013.10, 1,126,519.38 and 498,786 is: 748,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,013.10 : 1,126,519.38 = 498,786 : x
  2. Step 2: Convert to fraction form
    751,013.10/1,126,519.38 = 498,786/x
  3. Step 3: Cross multiply
    751,013.10x = 1,126,519.38 × 498,786
  4. Step 4: Simplify right side
    751,013.10x = 561,892,095,472.68
  5. Step 5: Solve for x
    x = 561,892,095,472.68/751,013.10
  6. Step 6: Final answer
    x = 748,178.82

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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.