Home / 449,239.24-619,945.47-245,289.52

Finding the Fourth Proportional to 449,239.24, 619,945.47 and 245,289.52

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Solution

The fourth proportional to 449,239.24, 619,945.47 and 245,289.52 is: 338,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,239.24 : 619,945.47 = 245,289.52 : x
  2. Step 2: Convert to fraction form
    449,239.24/619,945.47 = 245,289.52/x
  3. Step 3: Cross multiply
    449,239.24x = 619,945.47 × 245,289.52
  4. Step 4: Simplify right side
    449,239.24x = 152,066,126,762.47
  5. Step 5: Solve for x
    x = 152,066,126,762.47/449,239.24
  6. Step 6: Final answer
    x = 338,496.98

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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.