Home / 531,935.01-734,072.74-290,222.60

Finding the Fourth Proportional to 531,935.01, 734,072.74 and 290,222.60

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Solution

The fourth proportional to 531,935.01, 734,072.74 and 290,222.60 is: 400,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,935.01 : 734,072.74 = 290,222.60 : x
  2. Step 2: Convert to fraction form
    531,935.01/734,072.74 = 290,222.60/x
  3. Step 3: Cross multiply
    531,935.01x = 734,072.74 × 290,222.60
  4. Step 4: Simplify right side
    531,935.01x = 213,044,499,191.92
  5. Step 5: Solve for x
    x = 213,044,499,191.92/531,935.01
  6. Step 6: Final answer
    x = 400,508.52

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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.