Home / 898,986.44-1,240,639-517,013.52

Finding the Fourth Proportional to 898,986.44, 1,240,639 and 517,013.52

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Solution

The fourth proportional to 898,986.44, 1,240,639 and 517,013.52 is: 713,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,986.44 : 1,240,639 = 517,013.52 : x
  2. Step 2: Convert to fraction form
    898,986.44/1,240,639 = 517,013.52/x
  3. Step 3: Cross multiply
    898,986.44x = 1,240,639 × 517,013.52
  4. Step 4: Simplify right side
    898,986.44x = 641,427,136,439.28
  5. Step 5: Solve for x
    x = 641,427,136,439.28/898,986.44
  6. Step 6: Final answer
    x = 713,500.35

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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.