Home / 464,206.28-696,312-211,309.92

Finding the Fourth Proportional to 464,206.28, 696,312 and 211,309.92

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Solution

The fourth proportional to 464,206.28, 696,312 and 211,309.92 is: 316,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,206.28 : 696,312 = 211,309.92 : x
  2. Step 2: Convert to fraction form
    464,206.28/696,312 = 211,309.92/x
  3. Step 3: Cross multiply
    464,206.28x = 696,312 × 211,309.92
  4. Step 4: Simplify right side
    464,206.28x = 147,137,633,015.04
  5. Step 5: Solve for x
    x = 147,137,633,015.04/464,206.28
  6. Step 6: Final answer
    x = 316,966.06

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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.