Home / 626,491.18-864,558.42-340,011.36

Finding the Fourth Proportional to 626,491.18, 864,558.42 and 340,011.36

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Solution

The fourth proportional to 626,491.18, 864,558.42 and 340,011.36 is: 469,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,491.18 : 864,558.42 = 340,011.36 : x
  2. Step 2: Convert to fraction form
    626,491.18/864,558.42 = 340,011.36/x
  3. Step 3: Cross multiply
    626,491.18x = 864,558.42 × 340,011.36
  4. Step 4: Simplify right side
    626,491.18x = 293,959,684,183.65
  5. Step 5: Solve for x
    x = 293,959,684,183.65/626,491.18
  6. Step 6: Final answer
    x = 469,216.00

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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.