Home / 641,120.52-884,531.45-369,182.56

Finding the Fourth Proportional to 641,120.52, 884,531.45 and 369,182.56

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Solution

The fourth proportional to 641,120.52, 884,531.45 and 369,182.56 is: 509,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,120.52 : 884,531.45 = 369,182.56 : x
  2. Step 2: Convert to fraction form
    641,120.52/884,531.45 = 369,182.56/x
  3. Step 3: Cross multiply
    641,120.52x = 884,531.45 × 369,182.56
  4. Step 4: Simplify right side
    641,120.52x = 326,553,585,111.51
  5. Step 5: Solve for x
    x = 326,553,585,111.51/641,120.52
  6. Step 6: Final answer
    x = 509,348.20

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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.