Home / 708,528.71-1,063,022.57-424,174.79

Finding the Fourth Proportional to 708,528.71, 1,063,022.57 and 424,174.79

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Solution

The fourth proportional to 708,528.71, 1,063,022.57 and 424,174.79 is: 636,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,528.71 : 1,063,022.57 = 424,174.79 : x
  2. Step 2: Convert to fraction form
    708,528.71/1,063,022.57 = 424,174.79/x
  3. Step 3: Cross multiply
    708,528.71x = 1,063,022.57 × 424,174.79
  4. Step 4: Simplify right side
    708,528.71x = 450,907,367,959.02
  5. Step 5: Solve for x
    x = 450,907,367,959.02/708,528.71
  6. Step 6: Final answer
    x = 636,399.58

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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.