Home / 713,819.10-1,070,827.11-414,440.67

Finding the Fourth Proportional to 713,819.10, 1,070,827.11 and 414,440.67

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Solution

The fourth proportional to 713,819.10, 1,070,827.11 and 414,440.67 is: 621,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,819.10 : 1,070,827.11 = 414,440.67 : x
  2. Step 2: Convert to fraction form
    713,819.10/1,070,827.11 = 414,440.67/x
  3. Step 3: Cross multiply
    713,819.10x = 1,070,827.11 × 414,440.67
  4. Step 4: Simplify right side
    713,819.10x = 443,794,304,922.56
  5. Step 5: Solve for x
    x = 443,794,304,922.56/713,819.10
  6. Step 6: Final answer
    x = 621,718.17

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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.