Home / 391,962.15-537,386.27-384,876.27

Finding the Fourth Proportional to 391,962.15, 537,386.27 and 384,876.27

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Solution

The fourth proportional to 391,962.15, 537,386.27 and 384,876.27 is: 527,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,962.15 : 537,386.27 = 384,876.27 : x
  2. Step 2: Convert to fraction form
    391,962.15/537,386.27 = 384,876.27/x
  3. Step 3: Cross multiply
    391,962.15x = 537,386.27 × 384,876.27
  4. Step 4: Simplify right side
    391,962.15x = 206,827,221,222.43
  5. Step 5: Solve for x
    x = 206,827,221,222.43/391,962.15
  6. Step 6: Final answer
    x = 527,671.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.