Home / 935,991.55-1,291,557.15-528,069.58

Finding the Fourth Proportional to 935,991.55, 1,291,557.15 and 528,069.58

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Solution

The fourth proportional to 935,991.55, 1,291,557.15 and 528,069.58 is: 728,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,991.55 : 1,291,557.15 = 528,069.58 : x
  2. Step 2: Convert to fraction form
    935,991.55/1,291,557.15 = 528,069.58/x
  3. Step 3: Cross multiply
    935,991.55x = 1,291,557.15 × 528,069.58
  4. Step 4: Simplify right side
    935,991.55x = 682,032,038,517.60
  5. Step 5: Solve for x
    x = 682,032,038,517.60/935,991.55
  6. Step 6: Final answer
    x = 728,673.29

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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.