Home / 621,331.48-931,999.65-189,053.26

Finding the Fourth Proportional to 621,331.48, 931,999.65 and 189,053.26

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Solution

The fourth proportional to 621,331.48, 931,999.65 and 189,053.26 is: 283,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,331.48 : 931,999.65 = 189,053.26 : x
  2. Step 2: Convert to fraction form
    621,331.48/931,999.65 = 189,053.26/x
  3. Step 3: Cross multiply
    621,331.48x = 931,999.65 × 189,053.26
  4. Step 4: Simplify right side
    621,331.48x = 176,197,572,151.36
  5. Step 5: Solve for x
    x = 176,197,572,151.36/621,331.48
  6. Step 6: Final answer
    x = 283,580.63

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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.