Home / 1,678,807.36-2,518,703.28-541,546.72

Finding the Fourth Proportional to 1,678,807.36, 2,518,703.28 and 541,546.72

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Solution

The fourth proportional to 1,678,807.36, 2,518,703.28 and 541,546.72 is: 812,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,807.36 : 2,518,703.28 = 541,546.72 : x
  2. Step 2: Convert to fraction form
    1,678,807.36/2,518,703.28 = 541,546.72/x
  3. Step 3: Cross multiply
    1,678,807.36x = 2,518,703.28 × 541,546.72
  4. Step 4: Simplify right side
    1,678,807.36x = 1,363,995,499,937.24
  5. Step 5: Solve for x
    x = 1,363,995,499,937.24/1,678,807.36
  6. Step 6: Final answer
    x = 812,478.87

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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.