Home / 1,114,734.50-1,538,334-631,299.76

Finding the Fourth Proportional to 1,114,734.50, 1,538,334 and 631,299.76

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Solution

The fourth proportional to 1,114,734.50, 1,538,334 and 631,299.76 is: 871,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,734.50 : 1,538,334 = 631,299.76 : x
  2. Step 2: Convert to fraction form
    1,114,734.50/1,538,334 = 631,299.76/x
  3. Step 3: Cross multiply
    1,114,734.50x = 1,538,334 × 631,299.76
  4. Step 4: Simplify right side
    1,114,734.50x = 971,149,884,999.84
  5. Step 5: Solve for x
    x = 971,149,884,999.84/1,114,734.50
  6. Step 6: Final answer
    x = 871,193.89

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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.