Home / 641,122.90-884,534.73-369,184.94

Finding the Fourth Proportional to 641,122.90, 884,534.73 and 369,184.94

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Solution

The fourth proportional to 641,122.90, 884,534.73 and 369,184.94 is: 509,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,122.90 : 884,534.73 = 369,184.94 : x
  2. Step 2: Convert to fraction form
    641,122.90/884,534.73 = 369,184.94/x
  3. Step 3: Cross multiply
    641,122.90x = 884,534.73 × 369,184.94
  4. Step 4: Simplify right side
    641,122.90x = 326,556,898,732.85
  5. Step 5: Solve for x
    x = 326,556,898,732.85/641,122.90
  6. Step 6: Final answer
    x = 509,351.48

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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.