Home / 1,284,974.64-1,927,126.08-386,175.96

Finding the Fourth Proportional to 1,284,974.64, 1,927,126.08 and 386,175.96

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Solution

The fourth proportional to 1,284,974.64, 1,927,126.08 and 386,175.96 is: 579,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,974.64 : 1,927,126.08 = 386,175.96 : x
  2. Step 2: Convert to fraction form
    1,284,974.64/1,927,126.08 = 386,175.96/x
  3. Step 3: Cross multiply
    1,284,974.64x = 1,927,126.08 × 386,175.96
  4. Step 4: Simplify right side
    1,284,974.64x = 744,209,763,985.04
  5. Step 5: Solve for x
    x = 744,209,763,985.04/1,284,974.64
  6. Step 6: Final answer
    x = 579,163.00

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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.