Home / 898,990.53-1,240,644.66-517,017.63

Finding the Fourth Proportional to 898,990.53, 1,240,644.66 and 517,017.63

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Solution

The fourth proportional to 898,990.53, 1,240,644.66 and 517,017.63 is: 713,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,990.53 : 1,240,644.66 = 517,017.63 : x
  2. Step 2: Convert to fraction form
    898,990.53/1,240,644.66 = 517,017.63/x
  3. Step 3: Cross multiply
    898,990.53x = 1,240,644.66 × 517,017.63
  4. Step 4: Simplify right side
    898,990.53x = 641,435,161,785.36
  5. Step 5: Solve for x
    x = 641,435,161,785.36/898,990.53
  6. Step 6: Final answer
    x = 713,506.03

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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.