Home / 727,390.14-1,004,257.92-536,070.30

Finding the Fourth Proportional to 727,390.14, 1,004,257.92 and 536,070.30

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Solution

The fourth proportional to 727,390.14, 1,004,257.92 and 536,070.30 is: 740,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,390.14 : 1,004,257.92 = 536,070.30 : x
  2. Step 2: Convert to fraction form
    727,390.14/1,004,257.92 = 536,070.30/x
  3. Step 3: Cross multiply
    727,390.14x = 1,004,257.92 × 536,070.30
  4. Step 4: Simplify right side
    727,390.14x = 538,352,844,451.78
  5. Step 5: Solve for x
    x = 538,352,844,451.78/727,390.14
  6. Step 6: Final answer
    x = 740,115.67

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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.