Home / 1,271,987.25-1,908,855.68-524,033.25

Finding the Fourth Proportional to 1,271,987.25, 1,908,855.68 and 524,033.25

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Solution

The fourth proportional to 1,271,987.25, 1,908,855.68 and 524,033.25 is: 786,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,987.25 : 1,908,855.68 = 524,033.25 : x
  2. Step 2: Convert to fraction form
    1,271,987.25/1,908,855.68 = 524,033.25/x
  3. Step 3: Cross multiply
    1,271,987.25x = 1,908,855.68 × 524,033.25
  4. Step 4: Simplify right side
    1,271,987.25x = 1,000,303,843,151.19
  5. Step 5: Solve for x
    x = 1,000,303,843,151.19/1,271,987.25
  6. Step 6: Final answer
    x = 786,410.28

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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.