Home / 935,532.36-1,291,033.56-505,811.46

Finding the Fourth Proportional to 935,532.36, 1,291,033.56 and 505,811.46

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Solution

The fourth proportional to 935,532.36, 1,291,033.56 and 505,811.46 is: 698,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,532.36 : 1,291,033.56 = 505,811.46 : x
  2. Step 2: Convert to fraction form
    935,532.36/1,291,033.56 = 505,811.46/x
  3. Step 3: Cross multiply
    935,532.36x = 1,291,033.56 × 505,811.46
  4. Step 4: Simplify right side
    935,532.36x = 653,019,569,892.60
  5. Step 5: Solve for x
    x = 653,019,569,892.60/935,532.36
  6. Step 6: Final answer
    x = 698,019.22

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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.