Home / 376,461.51-519,517.28-223,530.24

Finding the Fourth Proportional to 376,461.51, 519,517.28 and 223,530.24

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Solution

The fourth proportional to 376,461.51, 519,517.28 and 223,530.24 is: 308,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,461.51 : 519,517.28 = 223,530.24 : x
  2. Step 2: Convert to fraction form
    376,461.51/519,517.28 = 223,530.24/x
  3. Step 3: Cross multiply
    376,461.51x = 519,517.28 × 223,530.24
  4. Step 4: Simplify right side
    376,461.51x = 116,127,821,164.90
  5. Step 5: Solve for x
    x = 116,127,821,164.90/376,461.51
  6. Step 6: Final answer
    x = 308,471.96

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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.