Home / 1,612,143.64-2,223,498.68-999,953.13

Finding the Fourth Proportional to 1,612,143.64, 2,223,498.68 and 999,953.13

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Solution

The fourth proportional to 1,612,143.64, 2,223,498.68 and 999,953.13 is: 1,379,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,143.64 : 2,223,498.68 = 999,953.13 : x
  2. Step 2: Convert to fraction form
    1,612,143.64/2,223,498.68 = 999,953.13/x
  3. Step 3: Cross multiply
    1,612,143.64x = 2,223,498.68 × 999,953.13
  4. Step 4: Simplify right side
    1,612,143.64x = 2,223,394,461,558.00
  5. Step 5: Solve for x
    x = 2,223,394,461,558.00/1,612,143.64
  6. Step 6: Final answer
    x = 1,379,154.07

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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.