Home / 5,432,853.40-8,149,280.10-1,443,765.40

Finding the Fourth Proportional to 5,432,853.40, 8,149,280.10 and 1,443,765.40

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Solution

The fourth proportional to 5,432,853.40, 8,149,280.10 and 1,443,765.40 is: 2,165,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,853.40 : 8,149,280.10 = 1,443,765.40 : x
  2. Step 2: Convert to fraction form
    5,432,853.40/8,149,280.10 = 1,443,765.40/x
  3. Step 3: Cross multiply
    5,432,853.40x = 8,149,280.10 × 1,443,765.40
  4. Step 4: Simplify right side
    5,432,853.40x = 11,765,648,643,288.54
  5. Step 5: Solve for x
    x = 11,765,648,643,288.54/5,432,853.40
  6. Step 6: Final answer
    x = 2,165,648.10

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1.5x scale

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.