Home / 1,283,606.64-1,926,000-485,165.52

Finding the Fourth Proportional to 1,283,606.64, 1,926,000 and 485,165.52

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Solution

The fourth proportional to 1,283,606.64, 1,926,000 and 485,165.52 is: 727,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,606.64 : 1,926,000 = 485,165.52 : x
  2. Step 2: Convert to fraction form
    1,283,606.64/1,926,000 = 485,165.52/x
  3. Step 3: Cross multiply
    1,283,606.64x = 1,926,000 × 485,165.52
  4. Step 4: Simplify right side
    1,283,606.64x = 934,428,791,520
  5. Step 5: Solve for x
    x = 934,428,791,520/1,283,606.64
  6. Step 6: Final answer
    x = 727,971.30

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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.