Home / 755,660.03-1,042,795.84-411,500.04

Finding the Fourth Proportional to 755,660.03, 1,042,795.84 and 411,500.04

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Solution

The fourth proportional to 755,660.03, 1,042,795.84 and 411,500.04 is: 567,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,660.03 : 1,042,795.84 = 411,500.04 : x
  2. Step 2: Convert to fraction form
    755,660.03/1,042,795.84 = 411,500.04/x
  3. Step 3: Cross multiply
    755,660.03x = 1,042,795.84 × 411,500.04
  4. Step 4: Simplify right side
    755,660.03x = 429,110,529,871.83
  5. Step 5: Solve for x
    x = 429,110,529,871.83/755,660.03
  6. Step 6: Final answer
    x = 567,861.89

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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.