Home / 5,705,200.76-7,872,820.20-3,126,698.60

Finding the Fourth Proportional to 5,705,200.76, 7,872,820.20 and 3,126,698.60

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Solution

The fourth proportional to 5,705,200.76, 7,872,820.20 and 3,126,698.60 is: 4,314,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,200.76 : 7,872,820.20 = 3,126,698.60 : x
  2. Step 2: Convert to fraction form
    5,705,200.76/7,872,820.20 = 3,126,698.60/x
  3. Step 3: Cross multiply
    5,705,200.76x = 7,872,820.20 × 3,126,698.60
  4. Step 4: Simplify right side
    5,705,200.76x = 24,615,935,897,391.72
  5. Step 5: Solve for x
    x = 24,615,935,897,391.72/5,705,200.76
  6. Step 6: Final answer
    x = 4,314,648.50

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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.