Home / 414,721.76-572,135.76-253,583.52

Finding the Fourth Proportional to 414,721.76, 572,135.76 and 253,583.52

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Solution

The fourth proportional to 414,721.76, 572,135.76 and 253,583.52 is: 349,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,721.76 : 572,135.76 = 253,583.52 : x
  2. Step 2: Convert to fraction form
    414,721.76/572,135.76 = 253,583.52/x
  3. Step 3: Cross multiply
    414,721.76x = 572,135.76 × 253,583.52
  4. Step 4: Simplify right side
    414,721.76x = 145,084,199,938.68
  5. Step 5: Solve for x
    x = 145,084,199,938.68/414,721.76
  6. Step 6: Final answer
    x = 349,835.03

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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.