Home / 1,226,984.20-1,840,538.70-385,544.20

Finding the Fourth Proportional to 1,226,984.20, 1,840,538.70 and 385,544.20

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Solution

The fourth proportional to 1,226,984.20, 1,840,538.70 and 385,544.20 is: 578,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,984.20 : 1,840,538.70 = 385,544.20 : x
  2. Step 2: Convert to fraction form
    1,226,984.20/1,840,538.70 = 385,544.20/x
  3. Step 3: Cross multiply
    1,226,984.20x = 1,840,538.70 × 385,544.20
  4. Step 4: Simplify right side
    1,226,984.20x = 709,609,020,660.54
  5. Step 5: Solve for x
    x = 709,609,020,660.54/1,226,984.20
  6. Step 6: Final answer
    x = 578,335.91

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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.