Home / 723,610.64-997,664.96-517,125.65

Finding the Fourth Proportional to 723,610.64, 997,664.96 and 517,125.65

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Solution

The fourth proportional to 723,610.64, 997,664.96 and 517,125.65 is: 712,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,610.64 : 997,664.96 = 517,125.65 : x
  2. Step 2: Convert to fraction form
    723,610.64/997,664.96 = 517,125.65/x
  3. Step 3: Cross multiply
    723,610.64x = 997,664.96 × 517,125.65
  4. Step 4: Simplify right side
    723,610.64x = 515,918,133,348.27
  5. Step 5: Solve for x
    x = 515,918,133,348.27/723,610.64
  6. Step 6: Final answer
    x = 712,977.54

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1.5x scale

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.