Home / 469,971.03-705,108.11-217,416.95

Finding the Fourth Proportional to 469,971.03, 705,108.11 and 217,416.95

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Solution

The fourth proportional to 469,971.03, 705,108.11 and 217,416.95 is: 326,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,971.03 : 705,108.11 = 217,416.95 : x
  2. Step 2: Convert to fraction form
    469,971.03/705,108.11 = 217,416.95/x
  3. Step 3: Cross multiply
    469,971.03x = 705,108.11 × 217,416.95
  4. Step 4: Simplify right side
    469,971.03x = 153,302,450,083.84
  5. Step 5: Solve for x
    x = 153,302,450,083.84/469,971.03
  6. Step 6: Final answer
    x = 326,195.53

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1.5x scale

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.