Home / 1,080,938.80-1,621,408.20-549,497.80

Finding the Fourth Proportional to 1,080,938.80, 1,621,408.20 and 549,497.80

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Solution

The fourth proportional to 1,080,938.80, 1,621,408.20 and 549,497.80 is: 824,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,938.80 : 1,621,408.20 = 549,497.80 : x
  2. Step 2: Convert to fraction form
    1,080,938.80/1,621,408.20 = 549,497.80/x
  3. Step 3: Cross multiply
    1,080,938.80x = 1,621,408.20 × 549,497.80
  4. Step 4: Simplify right side
    1,080,938.80x = 890,960,238,801.96
  5. Step 5: Solve for x
    x = 890,960,238,801.96/1,080,938.80
  6. Step 6: Final answer
    x = 824,246.70

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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.