Home / 999,464.36-1,498,861.04-325,387.22

Finding the Fourth Proportional to 999,464.36, 1,498,861.04 and 325,387.22

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Solution

The fourth proportional to 999,464.36, 1,498,861.04 and 325,387.22 is: 487,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,464.36 : 1,498,861.04 = 325,387.22 : x
  2. Step 2: Convert to fraction form
    999,464.36/1,498,861.04 = 325,387.22/x
  3. Step 3: Cross multiply
    999,464.36x = 1,498,861.04 × 325,387.22
  4. Step 4: Simplify right side
    999,464.36x = 487,710,226,971.91
  5. Step 5: Solve for x
    x = 487,710,226,971.91/999,464.36
  6. Step 6: Final answer
    x = 487,971.60

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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.