Home / 709,256.63-1,063,243.87-481,628.20

Finding the Fourth Proportional to 709,256.63, 1,063,243.87 and 481,628.20

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Solution

The fourth proportional to 709,256.63, 1,063,243.87 and 481,628.20 is: 722,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,256.63 : 1,063,243.87 = 481,628.20 : x
  2. Step 2: Convert to fraction form
    709,256.63/1,063,243.87 = 481,628.20/x
  3. Step 3: Cross multiply
    709,256.63x = 1,063,243.87 × 481,628.20
  4. Step 4: Simplify right side
    709,256.63x = 512,088,231,269.13
  5. Step 5: Solve for x
    x = 512,088,231,269.13/709,256.63
  6. Step 6: Final answer
    x = 722,006.97

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1.5x scale

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.