Home / 641,833.59-885,743.88-351,457.41

Finding the Fourth Proportional to 641,833.59, 885,743.88 and 351,457.41

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Solution

The fourth proportional to 641,833.59, 885,743.88 and 351,457.41 is: 485,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,833.59 : 885,743.88 = 351,457.41 : x
  2. Step 2: Convert to fraction form
    641,833.59/885,743.88 = 351,457.41/x
  3. Step 3: Cross multiply
    641,833.59x = 885,743.88 × 351,457.41
  4. Step 4: Simplify right side
    641,833.59x = 311,301,249,988.15
  5. Step 5: Solve for x
    x = 311,301,249,988.15/641,833.59
  6. Step 6: Final answer
    x = 485,018.63

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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.