Home / 4,678,697.80-7,018,046.70-4,129,542.10

Finding the Fourth Proportional to 4,678,697.80, 7,018,046.70 and 4,129,542.10

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Solution

The fourth proportional to 4,678,697.80, 7,018,046.70 and 4,129,542.10 is: 6,194,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,697.80 : 7,018,046.70 = 4,129,542.10 : x
  2. Step 2: Convert to fraction form
    4,678,697.80/7,018,046.70 = 4,129,542.10/x
  3. Step 3: Cross multiply
    4,678,697.80x = 7,018,046.70 × 4,129,542.10
  4. Step 4: Simplify right side
    4,678,697.80x = 28,981,319,307,416.07
  5. Step 5: Solve for x
    x = 28,981,319,307,416.07/4,678,697.80
  6. Step 6: Final answer
    x = 6,194,313.15

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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.