Home / 953,110.36-1,315,301.40-523,399.48

Finding the Fourth Proportional to 953,110.36, 1,315,301.40 and 523,399.48

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Solution

The fourth proportional to 953,110.36, 1,315,301.40 and 523,399.48 is: 722,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,110.36 : 1,315,301.40 = 523,399.48 : x
  2. Step 2: Convert to fraction form
    953,110.36/1,315,301.40 = 523,399.48/x
  3. Step 3: Cross multiply
    953,110.36x = 1,315,301.40 × 523,399.48
  4. Step 4: Simplify right side
    953,110.36x = 688,428,068,803.27
  5. Step 5: Solve for x
    x = 688,428,068,803.27/953,110.36
  6. Step 6: Final answer
    x = 722,296.28

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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.