Home / 432,434.25-648,653.66-283,616.93

Finding the Fourth Proportional to 432,434.25, 648,653.66 and 283,616.93

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Solution

The fourth proportional to 432,434.25, 648,653.66 and 283,616.93 is: 425,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,434.25 : 648,653.66 = 283,616.93 : x
  2. Step 2: Convert to fraction form
    432,434.25/648,653.66 = 283,616.93/x
  3. Step 3: Cross multiply
    432,434.25x = 648,653.66 × 283,616.93
  4. Step 4: Simplify right side
    432,434.25x = 183,969,155,021.11
  5. Step 5: Solve for x
    x = 183,969,155,021.11/432,434.25
  6. Step 6: Final answer
    x = 425,426.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.