Home / 541,208.04-811,795.32-257,103.11

Finding the Fourth Proportional to 541,208.04, 811,795.32 and 257,103.11

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Solution

The fourth proportional to 541,208.04, 811,795.32 and 257,103.11 is: 385,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,208.04 : 811,795.32 = 257,103.11 : x
  2. Step 2: Convert to fraction form
    541,208.04/811,795.32 = 257,103.11/x
  3. Step 3: Cross multiply
    541,208.04x = 811,795.32 × 257,103.11
  4. Step 4: Simplify right side
    541,208.04x = 208,715,101,455.45
  5. Step 5: Solve for x
    x = 208,715,101,455.45/541,208.04
  6. Step 6: Final answer
    x = 385,646.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.