Home / 484,519.22-668,257.17-314,808.50

Finding the Fourth Proportional to 484,519.22, 668,257.17 and 314,808.50

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Solution

The fourth proportional to 484,519.22, 668,257.17 and 314,808.50 is: 434,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,519.22 : 668,257.17 = 314,808.50 : x
  2. Step 2: Convert to fraction form
    484,519.22/668,257.17 = 314,808.50/x
  3. Step 3: Cross multiply
    484,519.22x = 668,257.17 × 314,808.50
  4. Step 4: Simplify right side
    484,519.22x = 210,373,037,301.95
  5. Step 5: Solve for x
    x = 210,373,037,301.95/484,519.22
  6. Step 6: Final answer
    x = 434,189.25

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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.