Home / 612,024.24-919,586.32-387,490.24

Finding the Fourth Proportional to 612,024.24, 919,586.32 and 387,490.24

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Solution

The fourth proportional to 612,024.24, 919,586.32 and 387,490.24 is: 582,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,024.24 : 919,586.32 = 387,490.24 : x
  2. Step 2: Convert to fraction form
    612,024.24/919,586.32 = 387,490.24/x
  3. Step 3: Cross multiply
    612,024.24x = 919,586.32 × 387,490.24
  4. Step 4: Simplify right side
    612,024.24x = 356,330,723,837.52
  5. Step 5: Solve for x
    x = 356,330,723,837.52/612,024.24
  6. Step 6: Final answer
    x = 582,216.68

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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.