Home / 438,586.08-605,247.76-237,382.24

Finding the Fourth Proportional to 438,586.08, 605,247.76 and 237,382.24

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Solution

The fourth proportional to 438,586.08, 605,247.76 and 237,382.24 is: 327,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,586.08 : 605,247.76 = 237,382.24 : x
  2. Step 2: Convert to fraction form
    438,586.08/605,247.76 = 237,382.24/x
  3. Step 3: Cross multiply
    438,586.08x = 605,247.76 × 237,382.24
  4. Step 4: Simplify right side
    438,586.08x = 143,675,069,023.78
  5. Step 5: Solve for x
    x = 143,675,069,023.78/438,586.08
  6. Step 6: Final answer
    x = 327,586.93

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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.