Home / 521,406.94-719,541.57-282,942.94

Finding the Fourth Proportional to 521,406.94, 719,541.57 and 282,942.94

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Solution

The fourth proportional to 521,406.94, 719,541.57 and 282,942.94 is: 390,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,406.94 : 719,541.57 = 282,942.94 : x
  2. Step 2: Convert to fraction form
    521,406.94/719,541.57 = 282,942.94/x
  3. Step 3: Cross multiply
    521,406.94x = 719,541.57 × 282,942.94
  4. Step 4: Simplify right side
    521,406.94x = 203,589,206,530.20
  5. Step 5: Solve for x
    x = 203,589,206,530.20/521,406.94
  6. Step 6: Final answer
    x = 390,461.25

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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.