Home / 911,133.40-1,257,607.29-523,991.14

Finding the Fourth Proportional to 911,133.40, 1,257,607.29 and 523,991.14

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Solution

The fourth proportional to 911,133.40, 1,257,607.29 and 523,991.14 is: 723,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,133.40 : 1,257,607.29 = 523,991.14 : x
  2. Step 2: Convert to fraction form
    911,133.40/1,257,607.29 = 523,991.14/x
  3. Step 3: Cross multiply
    911,133.40x = 1,257,607.29 × 523,991.14
  4. Step 4: Simplify right side
    911,133.40x = 658,975,077,559.41
  5. Step 5: Solve for x
    x = 658,975,077,559.41/911,133.40
  6. Step 6: Final answer
    x = 723,247.64

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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.