Home / 935,869.31-1,290,329.38-781,043.29

Finding the Fourth Proportional to 935,869.31, 1,290,329.38 and 781,043.29

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Solution

The fourth proportional to 935,869.31, 1,290,329.38 and 781,043.29 is: 1,076,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,869.31 : 1,290,329.38 = 781,043.29 : x
  2. Step 2: Convert to fraction form
    935,869.31/1,290,329.38 = 781,043.29/x
  3. Step 3: Cross multiply
    935,869.31x = 1,290,329.38 × 781,043.29
  4. Step 4: Simplify right side
    935,869.31x = 1,007,803,093,782.00
  5. Step 5: Solve for x
    x = 1,007,803,093,782.00/935,869.31
  6. Step 6: Final answer
    x = 1,076,863.07

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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.