Home / 939,321.56-1,296,386.03-526,015.76

Finding the Fourth Proportional to 939,321.56, 1,296,386.03 and 526,015.76

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Solution

The fourth proportional to 939,321.56, 1,296,386.03 and 526,015.76 is: 725,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,321.56 : 1,296,386.03 = 526,015.76 : x
  2. Step 2: Convert to fraction form
    939,321.56/1,296,386.03 = 526,015.76/x
  3. Step 3: Cross multiply
    939,321.56x = 1,296,386.03 × 526,015.76
  4. Step 4: Simplify right side
    939,321.56x = 681,919,482,823.83
  5. Step 5: Solve for x
    x = 681,919,482,823.83/939,321.56
  6. Step 6: Final answer
    x = 725,970.22

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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.