Home / 782,252.46-1,079,995.95-537,658.38

Finding the Fourth Proportional to 782,252.46, 1,079,995.95 and 537,658.38

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Solution

The fourth proportional to 782,252.46, 1,079,995.95 and 537,658.38 is: 742,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,252.46 : 1,079,995.95 = 537,658.38 : x
  2. Step 2: Convert to fraction form
    782,252.46/1,079,995.95 = 537,658.38/x
  3. Step 3: Cross multiply
    782,252.46x = 1,079,995.95 × 537,658.38
  4. Step 4: Simplify right side
    782,252.46x = 580,668,872,883.56
  5. Step 5: Solve for x
    x = 580,668,872,883.56/782,252.46
  6. Step 6: Final answer
    x = 742,303.67

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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.