Home / 6,289,658.29-8,679,614.16-3,498,767.92

Finding the Fourth Proportional to 6,289,658.29, 8,679,614.16 and 3,498,767.92

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Solution

The fourth proportional to 6,289,658.29, 8,679,614.16 and 3,498,767.92 is: 4,828,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289,658.29 : 8,679,614.16 = 3,498,767.92 : x
  2. Step 2: Convert to fraction form
    6,289,658.29/8,679,614.16 = 3,498,767.92/x
  3. Step 3: Cross multiply
    6,289,658.29x = 8,679,614.16 × 3,498,767.92
  4. Step 4: Simplify right side
    6,289,658.29x = 30,367,955,580,985.75
  5. Step 5: Solve for x
    x = 30,367,955,580,985.75/6,289,658.29
  6. Step 6: Final answer
    x = 4,828,236.16

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Double scale
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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.