Home / 266,525.10-400,006.35-257,777.10

Finding the Fourth Proportional to 266,525.10, 400,006.35 and 257,777.10

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Solution

The fourth proportional to 266,525.10, 400,006.35 and 257,777.10 is: 386,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,525.10 : 400,006.35 = 257,777.10 : x
  2. Step 2: Convert to fraction form
    266,525.10/400,006.35 = 257,777.10/x
  3. Step 3: Cross multiply
    266,525.10x = 400,006.35 × 257,777.10
  4. Step 4: Simplify right side
    266,525.10x = 103,112,476,884.59
  5. Step 5: Solve for x
    x = 103,112,476,884.59/266,525.10
  6. Step 6: Final answer
    x = 386,877.17

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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.