Home / 989,833.78-1,365,974.22-537,124.78

Finding the Fourth Proportional to 989,833.78, 1,365,974.22 and 537,124.78

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Solution

The fourth proportional to 989,833.78, 1,365,974.22 and 537,124.78 is: 741,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,833.78 : 1,365,974.22 = 537,124.78 : x
  2. Step 2: Convert to fraction form
    989,833.78/1,365,974.22 = 537,124.78/x
  3. Step 3: Cross multiply
    989,833.78x = 1,365,974.22 × 537,124.78
  4. Step 4: Simplify right side
    989,833.78x = 733,698,602,403.17
  5. Step 5: Solve for x
    x = 733,698,602,403.17/989,833.78
  6. Step 6: Final answer
    x = 741,234.15

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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.