Home / 1,354,803.92-2,031,560.72-512,818.64

Finding the Fourth Proportional to 1,354,803.92, 2,031,560.72 and 512,818.64

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Solution

The fourth proportional to 1,354,803.92, 2,031,560.72 and 512,818.64 is: 768,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,803.92 : 2,031,560.72 = 512,818.64 : x
  2. Step 2: Convert to fraction form
    1,354,803.92/2,031,560.72 = 512,818.64/x
  3. Step 3: Cross multiply
    1,354,803.92x = 2,031,560.72 × 512,818.64
  4. Step 4: Simplify right side
    1,354,803.92x = 1,041,822,205,507.82
  5. Step 5: Solve for x
    x = 1,041,822,205,507.82/1,354,803.92
  6. Step 6: Final answer
    x = 768,983.75

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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.