Home / 469,084.32-647,401.68-348,595.20

Finding the Fourth Proportional to 469,084.32, 647,401.68 and 348,595.20

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Solution

The fourth proportional to 469,084.32, 647,401.68 and 348,595.20 is: 481,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,084.32 : 647,401.68 = 348,595.20 : x
  2. Step 2: Convert to fraction form
    469,084.32/647,401.68 = 348,595.20/x
  3. Step 3: Cross multiply
    469,084.32x = 647,401.68 × 348,595.20
  4. Step 4: Simplify right side
    469,084.32x = 225,681,118,119.94
  5. Step 5: Solve for x
    x = 225,681,118,119.94/469,084.32
  6. Step 6: Final answer
    x = 481,109.92

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1.5x scale

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.