Home / 712,811.45-1,069,127.96-232,999.11

Finding the Fourth Proportional to 712,811.45, 1,069,127.96 and 232,999.11

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Solution

The fourth proportional to 712,811.45, 1,069,127.96 and 232,999.11 is: 349,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,811.45 : 1,069,127.96 = 232,999.11 : x
  2. Step 2: Convert to fraction form
    712,811.45/1,069,127.96 = 232,999.11/x
  3. Step 3: Cross multiply
    712,811.45x = 1,069,127.96 × 232,999.11
  4. Step 4: Simplify right side
    712,811.45x = 249,105,861,991.12
  5. Step 5: Solve for x
    x = 249,105,861,991.12/712,811.45
  6. Step 6: Final answer
    x = 349,469.50

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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.