Home / 457,513.13-685,595.27-254,830.07

Finding the Fourth Proportional to 457,513.13, 685,595.27 and 254,830.07

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Solution

The fourth proportional to 457,513.13, 685,595.27 and 254,830.07 is: 381,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,513.13 : 685,595.27 = 254,830.07 : x
  2. Step 2: Convert to fraction form
    457,513.13/685,595.27 = 254,830.07/x
  3. Step 3: Cross multiply
    457,513.13x = 685,595.27 × 254,830.07
  4. Step 4: Simplify right side
    457,513.13x = 174,710,292,996.83
  5. Step 5: Solve for x
    x = 174,710,292,996.83/457,513.13
  6. Step 6: Final answer
    x = 381,869.46

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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.