Home / 939,557.28-1,296,046.80-599,642.40

Finding the Fourth Proportional to 939,557.28, 1,296,046.80 and 599,642.40

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Solution

The fourth proportional to 939,557.28, 1,296,046.80 and 599,642.40 is: 827,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,557.28 : 1,296,046.80 = 599,642.40 : x
  2. Step 2: Convert to fraction form
    939,557.28/1,296,046.80 = 599,642.40/x
  3. Step 3: Cross multiply
    939,557.28x = 1,296,046.80 × 599,642.40
  4. Step 4: Simplify right side
    939,557.28x = 777,164,613,664.32
  5. Step 5: Solve for x
    x = 777,164,613,664.32/939,557.28
  6. Step 6: Final answer
    x = 827,160.44

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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.