Home / 1,874,469.60-2,811,934.80-611,954.40

Finding the Fourth Proportional to 1,874,469.60, 2,811,934.80 and 611,954.40

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Solution

The fourth proportional to 1,874,469.60, 2,811,934.80 and 611,954.40 is: 918,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,469.60 : 2,811,934.80 = 611,954.40 : x
  2. Step 2: Convert to fraction form
    1,874,469.60/2,811,934.80 = 611,954.40/x
  3. Step 3: Cross multiply
    1,874,469.60x = 2,811,934.80 × 611,954.40
  4. Step 4: Simplify right side
    1,874,469.60x = 1,720,775,873,373.12
  5. Step 5: Solve for x
    x = 1,720,775,873,373.12/1,874,469.60
  6. Step 6: Final answer
    x = 918,006.82

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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.