Home / 927,536.66-1,279,710.06-519,583.40

Finding the Fourth Proportional to 927,536.66, 1,279,710.06 and 519,583.40

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Solution

The fourth proportional to 927,536.66, 1,279,710.06 and 519,583.40 is: 716,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,536.66 : 1,279,710.06 = 519,583.40 : x
  2. Step 2: Convert to fraction form
    927,536.66/1,279,710.06 = 519,583.40/x
  3. Step 3: Cross multiply
    927,536.66x = 1,279,710.06 × 519,583.40
  4. Step 4: Simplify right side
    927,536.66x = 664,916,103,989.00
  5. Step 5: Solve for x
    x = 664,916,103,989.00/927,536.66
  6. Step 6: Final answer
    x = 716,862.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.