Home / 4,678,711.40-7,018,067.10-4,395,276.20

Finding the Fourth Proportional to 4,678,711.40, 7,018,067.10 and 4,395,276.20

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Solution

The fourth proportional to 4,678,711.40, 7,018,067.10 and 4,395,276.20 is: 6,592,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,711.40 : 7,018,067.10 = 4,395,276.20 : x
  2. Step 2: Convert to fraction form
    4,678,711.40/7,018,067.10 = 4,395,276.20/x
  3. Step 3: Cross multiply
    4,678,711.40x = 7,018,067.10 × 4,395,276.20
  4. Step 4: Simplify right side
    4,678,711.40x = 30,846,343,294,633.02
  5. Step 5: Solve for x
    x = 30,846,343,294,633.02/4,678,711.40
  6. Step 6: Final answer
    x = 6,592,914.30

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Double scale
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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.