Home / 1,106,719.76-1,524,057.32-961,459.20

Finding the Fourth Proportional to 1,106,719.76, 1,524,057.32 and 961,459.20

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Solution

The fourth proportional to 1,106,719.76, 1,524,057.32 and 961,459.20 is: 1,324,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,719.76 : 1,524,057.32 = 961,459.20 : x
  2. Step 2: Convert to fraction form
    1,106,719.76/1,524,057.32 = 961,459.20/x
  3. Step 3: Cross multiply
    1,106,719.76x = 1,524,057.32 × 961,459.20
  4. Step 4: Simplify right side
    1,106,719.76x = 1,465,318,931,641.34
  5. Step 5: Solve for x
    x = 1,465,318,931,641.34/1,106,719.76
  6. Step 6: Final answer
    x = 1,324,019.85

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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.