Home / 939,318.56-1,296,381.89-526,012.76

Finding the Fourth Proportional to 939,318.56, 1,296,381.89 and 526,012.76

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Solution

The fourth proportional to 939,318.56, 1,296,381.89 and 526,012.76 is: 725,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,318.56 : 1,296,381.89 = 526,012.76 : x
  2. Step 2: Convert to fraction form
    939,318.56/1,296,381.89 = 526,012.76/x
  3. Step 3: Cross multiply
    939,318.56x = 1,296,381.89 × 526,012.76
  4. Step 4: Simplify right side
    939,318.56x = 681,913,409,491.01
  5. Step 5: Solve for x
    x = 681,913,409,491.01/939,318.56
  6. Step 6: Final answer
    x = 725,966.08

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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.