Home / 5,648,950.40-8,473,425.60-5,428,500.80

Finding the Fourth Proportional to 5,648,950.40, 8,473,425.60 and 5,428,500.80

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Solution

The fourth proportional to 5,648,950.40, 8,473,425.60 and 5,428,500.80 is: 8,142,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648,950.40 : 8,473,425.60 = 5,428,500.80 : x
  2. Step 2: Convert to fraction form
    5,648,950.40/8,473,425.60 = 5,428,500.80/x
  3. Step 3: Cross multiply
    5,648,950.40x = 8,473,425.60 × 5,428,500.80
  4. Step 4: Simplify right side
    5,648,950.40x = 45,997,997,648,340.48
  5. Step 5: Solve for x
    x = 45,997,997,648,340.48/5,648,950.40
  6. Step 6: Final answer
    x = 8,142,751.20

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Similar ratio
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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.