Home / 1,639,653-2,458,691.32-929,490.36

Finding the Fourth Proportional to 1,639,653, 2,458,691.32 and 929,490.36

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Solution

The fourth proportional to 1,639,653, 2,458,691.32 and 929,490.36 is: 1,393,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,653 : 2,458,691.32 = 929,490.36 : x
  2. Step 2: Convert to fraction form
    1,639,653/2,458,691.32 = 929,490.36/x
  3. Step 3: Cross multiply
    1,639,653x = 2,458,691.32 × 929,490.36
  4. Step 4: Simplify right side
    1,639,653x = 2,285,329,880,155.67
  5. Step 5: Solve for x
    x = 2,285,329,880,155.67/1,639,653
  6. Step 6: Final answer
    x = 1,393,788.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.