Home / 1,000,141.44-1,380,194.40-547,432

Finding the Fourth Proportional to 1,000,141.44, 1,380,194.40 and 547,432

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Solution

The fourth proportional to 1,000,141.44, 1,380,194.40 and 547,432 is: 755,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,141.44 : 1,380,194.40 = 547,432 : x
  2. Step 2: Convert to fraction form
    1,000,141.44/1,380,194.40 = 547,432/x
  3. Step 3: Cross multiply
    1,000,141.44x = 1,380,194.40 × 547,432
  4. Step 4: Simplify right side
    1,000,141.44x = 755,562,580,780.80
  5. Step 5: Solve for x
    x = 755,562,580,780.80/1,000,141.44
  6. Step 6: Final answer
    x = 755,455.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.