Home / 1,612,141.92-2,417,670.72-812,913.12

Finding the Fourth Proportional to 1,612,141.92, 2,417,670.72 and 812,913.12

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Solution

The fourth proportional to 1,612,141.92, 2,417,670.72 and 812,913.12 is: 1,219,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,141.92 : 2,417,670.72 = 812,913.12 : x
  2. Step 2: Convert to fraction form
    1,612,141.92/2,417,670.72 = 812,913.12/x
  3. Step 3: Cross multiply
    1,612,141.92x = 2,417,670.72 × 812,913.12
  4. Step 4: Simplify right side
    1,612,141.92x = 1,965,356,248,127.85
  5. Step 5: Solve for x
    x = 1,965,356,248,127.85/1,612,141.92
  6. Step 6: Final answer
    x = 1,219,096.30

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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.