Home / 755,658.90-1,042,794.30-411,498.93

Finding the Fourth Proportional to 755,658.90, 1,042,794.30 and 411,498.93

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Solution

The fourth proportional to 755,658.90, 1,042,794.30 and 411,498.93 is: 567,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,658.90 : 1,042,794.30 = 411,498.93 : x
  2. Step 2: Convert to fraction form
    755,658.90/1,042,794.30 = 411,498.93/x
  3. Step 3: Cross multiply
    755,658.90x = 1,042,794.30 × 411,498.93
  4. Step 4: Simplify right side
    755,658.90x = 429,108,738,660.10
  5. Step 5: Solve for x
    x = 429,108,738,660.10/755,658.90
  6. Step 6: Final answer
    x = 567,860.36

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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.