Home / 1,603,151.92-2,403,979.98-929,426.32

Finding the Fourth Proportional to 1,603,151.92, 2,403,979.98 and 929,426.32

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Solution

The fourth proportional to 1,603,151.92, 2,403,979.98 and 929,426.32 is: 1,393,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,151.92 : 2,403,979.98 = 929,426.32 : x
  2. Step 2: Convert to fraction form
    1,603,151.92/2,403,979.98 = 929,426.32/x
  3. Step 3: Cross multiply
    1,603,151.92x = 2,403,979.98 × 929,426.32
  4. Step 4: Simplify right side
    1,603,151.92x = 2,234,322,266,165.07
  5. Step 5: Solve for x
    x = 2,234,322,266,165.07/1,603,151.92
  6. Step 6: Final answer
    x = 1,393,705.89

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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.