Home / 1,249,873.86-1,874,908.01-408,510.66

Finding the Fourth Proportional to 1,249,873.86, 1,874,908.01 and 408,510.66

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Solution

The fourth proportional to 1,249,873.86, 1,874,908.01 and 408,510.66 is: 612,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,873.86 : 1,874,908.01 = 408,510.66 : x
  2. Step 2: Convert to fraction form
    1,249,873.86/1,874,908.01 = 408,510.66/x
  3. Step 3: Cross multiply
    1,249,873.86x = 1,874,908.01 × 408,510.66
  4. Step 4: Simplify right side
    1,249,873.86x = 765,919,906,561.83
  5. Step 5: Solve for x
    x = 765,919,906,561.83/1,249,873.86
  6. Step 6: Final answer
    x = 612,797.76

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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.