Home / 866,846.91-1,300,527.95-417,437.85

Finding the Fourth Proportional to 866,846.91, 1,300,527.95 and 417,437.85

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Solution

The fourth proportional to 866,846.91, 1,300,527.95 and 417,437.85 is: 626,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,846.91 : 1,300,527.95 = 417,437.85 : x
  2. Step 2: Convert to fraction form
    866,846.91/1,300,527.95 = 417,437.85/x
  3. Step 3: Cross multiply
    866,846.91x = 1,300,527.95 × 417,437.85
  4. Step 4: Simplify right side
    866,846.91x = 542,889,596,450.79
  5. Step 5: Solve for x
    x = 542,889,596,450.79/866,846.91
  6. Step 6: Final answer
    x = 626,280.82

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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.