Home / 989,886.47-1,366,043.31-537,177.47

Finding the Fourth Proportional to 989,886.47, 1,366,043.31 and 537,177.47

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Solution

The fourth proportional to 989,886.47, 1,366,043.31 and 537,177.47 is: 741,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,886.47 : 1,366,043.31 = 537,177.47 : x
  2. Step 2: Convert to fraction form
    989,886.47/1,366,043.31 = 537,177.47/x
  3. Step 3: Cross multiply
    989,886.47x = 1,366,043.31 × 537,177.47
  4. Step 4: Simplify right side
    989,886.47x = 733,807,682,346.01
  5. Step 5: Solve for x
    x = 733,807,682,346.01/989,886.47
  6. Step 6: Final answer
    x = 741,304.90

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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.