Home / 1,411,919.28-2,116,687.08-612,598.32

Finding the Fourth Proportional to 1,411,919.28, 2,116,687.08 and 612,598.32

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Solution

The fourth proportional to 1,411,919.28, 2,116,687.08 and 612,598.32 is: 918,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,919.28 : 2,116,687.08 = 612,598.32 : x
  2. Step 2: Convert to fraction form
    1,411,919.28/2,116,687.08 = 612,598.32/x
  3. Step 3: Cross multiply
    1,411,919.28x = 2,116,687.08 × 612,598.32
  4. Step 4: Simplify right side
    1,411,919.28x = 1,296,678,949,173.71
  5. Step 5: Solve for x
    x = 1,296,678,949,173.71/1,411,919.28
  6. Step 6: Final answer
    x = 918,380.37

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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.