Home / 913,533.59-1,260,644.21-505,636.22

Finding the Fourth Proportional to 913,533.59, 1,260,644.21 and 505,636.22

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Solution

The fourth proportional to 913,533.59, 1,260,644.21 and 505,636.22 is: 697,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,533.59 : 1,260,644.21 = 505,636.22 : x
  2. Step 2: Convert to fraction form
    913,533.59/1,260,644.21 = 505,636.22/x
  3. Step 3: Cross multiply
    913,533.59x = 1,260,644.21 × 505,636.22
  4. Step 4: Simplify right side
    913,533.59x = 637,427,375,628.85
  5. Step 5: Solve for x
    x = 637,427,375,628.85/913,533.59
  6. Step 6: Final answer
    x = 697,760.19

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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.