Home / 1,271,987.76-1,908,856.42-524,033.76

Finding the Fourth Proportional to 1,271,987.76, 1,908,856.42 and 524,033.76

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Solution

The fourth proportional to 1,271,987.76, 1,908,856.42 and 524,033.76 is: 786,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,987.76 : 1,908,856.42 = 524,033.76 : x
  2. Step 2: Convert to fraction form
    1,271,987.76/1,908,856.42 = 524,033.76/x
  3. Step 3: Cross multiply
    1,271,987.76x = 1,908,856.42 × 524,033.76
  4. Step 4: Simplify right side
    1,271,987.76x = 1,000,305,207,072.74
  5. Step 5: Solve for x
    x = 1,000,305,207,072.74/1,271,987.76
  6. Step 6: Final answer
    x = 786,411.03

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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.