Home / 926,119.64-1,389,171.66-723,885.84

Finding the Fourth Proportional to 926,119.64, 1,389,171.66 and 723,885.84

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Solution

The fourth proportional to 926,119.64, 1,389,171.66 and 723,885.84 is: 1,085,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,119.64 : 1,389,171.66 = 723,885.84 : x
  2. Step 2: Convert to fraction form
    926,119.64/1,389,171.66 = 723,885.84/x
  3. Step 3: Cross multiply
    926,119.64x = 1,389,171.66 × 723,885.84
  4. Step 4: Simplify right side
    926,119.64x = 1,005,601,696,498.12
  5. Step 5: Solve for x
    x = 1,005,601,696,498.12/926,119.64
  6. Step 6: Final answer
    x = 1,085,822.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.