Home / 563,519.23-777,736.25-348,728.47

Finding the Fourth Proportional to 563,519.23, 777,736.25 and 348,728.47

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Solution

The fourth proportional to 563,519.23, 777,736.25 and 348,728.47 is: 481,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,519.23 : 777,736.25 = 348,728.47 : x
  2. Step 2: Convert to fraction form
    563,519.23/777,736.25 = 348,728.47/x
  3. Step 3: Cross multiply
    563,519.23x = 777,736.25 × 348,728.47
  4. Step 4: Simplify right side
    563,519.23x = 271,218,772,526.04
  5. Step 5: Solve for x
    x = 271,218,772,526.04/563,519.23
  6. Step 6: Final answer
    x = 481,294.62

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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.