Home / 641,733.17-885,602.21-351,339.84

Finding the Fourth Proportional to 641,733.17, 885,602.21 and 351,339.84

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Solution

The fourth proportional to 641,733.17, 885,602.21 and 351,339.84 is: 484,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,733.17 : 885,602.21 = 351,339.84 : x
  2. Step 2: Convert to fraction form
    641,733.17/885,602.21 = 351,339.84/x
  3. Step 3: Cross multiply
    641,733.17x = 885,602.21 × 351,339.84
  4. Step 4: Simplify right side
    641,733.17x = 311,147,337,008.35
  5. Step 5: Solve for x
    x = 311,147,337,008.35/641,733.17
  6. Step 6: Final answer
    x = 484,854.69

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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.