Home / 531,781.03-733,867.80-290,072.23

Finding the Fourth Proportional to 531,781.03, 733,867.80 and 290,072.23

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Solution

The fourth proportional to 531,781.03, 733,867.80 and 290,072.23 is: 400,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781.03 : 733,867.80 = 290,072.23 : x
  2. Step 2: Convert to fraction form
    531,781.03/733,867.80 = 290,072.23/x
  3. Step 3: Cross multiply
    531,781.03x = 733,867.80 × 290,072.23
  4. Step 4: Simplify right side
    531,781.03x = 212,874,669,271.19
  5. Step 5: Solve for x
    x = 212,874,669,271.19/531,781.03
  6. Step 6: Final answer
    x = 400,305.12

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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.