Home / 1,057,243.20-1,585,864.80-609,345.60

Finding the Fourth Proportional to 1,057,243.20, 1,585,864.80 and 609,345.60

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Solution

The fourth proportional to 1,057,243.20, 1,585,864.80 and 609,345.60 is: 914,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,243.20 : 1,585,864.80 = 609,345.60 : x
  2. Step 2: Convert to fraction form
    1,057,243.20/1,585,864.80 = 609,345.60/x
  3. Step 3: Cross multiply
    1,057,243.20x = 1,585,864.80 × 609,345.60
  4. Step 4: Simplify right side
    1,057,243.20x = 966,339,738,074.88
  5. Step 5: Solve for x
    x = 966,339,738,074.88/1,057,243.20
  6. Step 6: Final answer
    x = 914,018.40

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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.