Home / 395,666.12-546,058.32-225,925.76

Finding the Fourth Proportional to 395,666.12, 546,058.32 and 225,925.76

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Solution

The fourth proportional to 395,666.12, 546,058.32 and 225,925.76 is: 311,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,666.12 : 546,058.32 = 225,925.76 : x
  2. Step 2: Convert to fraction form
    395,666.12/546,058.32 = 225,925.76/x
  3. Step 3: Cross multiply
    395,666.12x = 546,058.32 × 225,925.76
  4. Step 4: Simplify right side
    395,666.12x = 123,368,640,950.32
  5. Step 5: Solve for x
    x = 123,368,640,950.32/395,666.12
  6. Step 6: Final answer
    x = 311,799.86

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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.