Home / 403,322.20-604,983.30-262,317.40

Finding the Fourth Proportional to 403,322.20, 604,983.30 and 262,317.40

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Solution

The fourth proportional to 403,322.20, 604,983.30 and 262,317.40 is: 393,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,322.20 : 604,983.30 = 262,317.40 : x
  2. Step 2: Convert to fraction form
    403,322.20/604,983.30 = 262,317.40/x
  3. Step 3: Cross multiply
    403,322.20x = 604,983.30 × 262,317.40
  4. Step 4: Simplify right side
    403,322.20x = 158,697,646,299.42
  5. Step 5: Solve for x
    x = 158,697,646,299.42/403,322.20
  6. Step 6: Final answer
    x = 393,476.10

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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.