Home / 6,717,519.40-10,076,279.10-6,456,245.80

Finding the Fourth Proportional to 6,717,519.40, 10,076,279.10 and 6,456,245.80

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Solution

The fourth proportional to 6,717,519.40, 10,076,279.10 and 6,456,245.80 is: 9,684,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717,519.40 : 10,076,279.10 = 6,456,245.80 : x
  2. Step 2: Convert to fraction form
    6,717,519.40/10,076,279.10 = 6,456,245.80/x
  3. Step 3: Cross multiply
    6,717,519.40x = 10,076,279.10 × 6,456,245.80
  4. Step 4: Simplify right side
    6,717,519.40x = 65,054,934,619,002.77
  5. Step 5: Solve for x
    x = 65,054,934,619,002.77/6,717,519.40
  6. Step 6: Final answer
    x = 9,684,368.70

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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.