Home / 960,138.08-1,324,967.28-530,459.36

Finding the Fourth Proportional to 960,138.08, 1,324,967.28 and 530,459.36

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Solution

The fourth proportional to 960,138.08, 1,324,967.28 and 530,459.36 is: 732,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,138.08 : 1,324,967.28 = 530,459.36 : x
  2. Step 2: Convert to fraction form
    960,138.08/1,324,967.28 = 530,459.36/x
  3. Step 3: Cross multiply
    960,138.08x = 1,324,967.28 × 530,459.36
  4. Step 4: Simplify right side
    960,138.08x = 702,841,295,369.74
  5. Step 5: Solve for x
    x = 702,841,295,369.74/960,138.08
  6. Step 6: Final answer
    x = 732,021.06

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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.