Home / 1,109,928-1,531,711.62-600,641.31

Finding the Fourth Proportional to 1,109,928, 1,531,711.62 and 600,641.31

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Solution

The fourth proportional to 1,109,928, 1,531,711.62 and 600,641.31 is: 828,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,928 : 1,531,711.62 = 600,641.31 : x
  2. Step 2: Convert to fraction form
    1,109,928/1,531,711.62 = 600,641.31/x
  3. Step 3: Cross multiply
    1,109,928x = 1,531,711.62 × 600,641.31
  4. Step 4: Simplify right side
    1,109,928x = 920,009,273,979.02
  5. Step 5: Solve for x
    x = 920,009,273,979.02/1,109,928
  6. Step 6: Final answer
    x = 828,890.95

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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.