Home / 1,465,701.90-2,198,771.55-518,998.20

Finding the Fourth Proportional to 1,465,701.90, 2,198,771.55 and 518,998.20

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Solution

The fourth proportional to 1,465,701.90, 2,198,771.55 and 518,998.20 is: 778,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,701.90 : 2,198,771.55 = 518,998.20 : x
  2. Step 2: Convert to fraction form
    1,465,701.90/2,198,771.55 = 518,998.20/x
  3. Step 3: Cross multiply
    1,465,701.90x = 2,198,771.55 × 518,998.20
  4. Step 4: Simplify right side
    1,465,701.90x = 1,141,158,476,661.21
  5. Step 5: Solve for x
    x = 1,141,158,476,661.21/1,465,701.90
  6. Step 6: Final answer
    x = 778,574.74

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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.