Home / 402,969.18-556,035.78-233,170.50

Finding the Fourth Proportional to 402,969.18, 556,035.78 and 233,170.50

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Solution

The fourth proportional to 402,969.18, 556,035.78 and 233,170.50 is: 321,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,969.18 : 556,035.78 = 233,170.50 : x
  2. Step 2: Convert to fraction form
    402,969.18/556,035.78 = 233,170.50/x
  3. Step 3: Cross multiply
    402,969.18x = 556,035.78 × 233,170.50
  4. Step 4: Simplify right side
    402,969.18x = 129,651,140,840.49
  5. Step 5: Solve for x
    x = 129,651,140,840.49/402,969.18
  6. Step 6: Final answer
    x = 321,739.60

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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.