Home / 552,154.08-761,661.45-331,334.25

Finding the Fourth Proportional to 552,154.08, 761,661.45 and 331,334.25

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Solution

The fourth proportional to 552,154.08, 761,661.45 and 331,334.25 is: 457,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,154.08 : 761,661.45 = 331,334.25 : x
  2. Step 2: Convert to fraction form
    552,154.08/761,661.45 = 331,334.25/x
  3. Step 3: Cross multiply
    552,154.08x = 761,661.45 × 331,334.25
  4. Step 4: Simplify right side
    552,154.08x = 252,364,525,289.66
  5. Step 5: Solve for x
    x = 252,364,525,289.66/552,154.08
  6. Step 6: Final answer
    x = 457,054.53

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Double scale
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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.