Home / 929,914.77-1,283,263.55-516,429.62

Finding the Fourth Proportional to 929,914.77, 1,283,263.55 and 516,429.62

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Solution

The fourth proportional to 929,914.77, 1,283,263.55 and 516,429.62 is: 712,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,914.77 : 1,283,263.55 = 516,429.62 : x
  2. Step 2: Convert to fraction form
    929,914.77/1,283,263.55 = 516,429.62/x
  3. Step 3: Cross multiply
    929,914.77x = 1,283,263.55 × 516,429.62
  4. Step 4: Simplify right side
    929,914.77x = 662,715,298,487.89
  5. Step 5: Solve for x
    x = 662,715,298,487.89/929,914.77
  6. Step 6: Final answer
    x = 712,662.41

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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.