Home / 346,850.19-478,733.25-225,780.60

Finding the Fourth Proportional to 346,850.19, 478,733.25 and 225,780.60

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Solution

The fourth proportional to 346,850.19, 478,733.25 and 225,780.60 is: 311,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,850.19 : 478,733.25 = 225,780.60 : x
  2. Step 2: Convert to fraction form
    346,850.19/478,733.25 = 225,780.60/x
  3. Step 3: Cross multiply
    346,850.19x = 478,733.25 × 225,780.60
  4. Step 4: Simplify right side
    346,850.19x = 108,088,680,424.95
  5. Step 5: Solve for x
    x = 108,088,680,424.95/346,850.19
  6. Step 6: Final answer
    x = 311,629.30

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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.