Home / 1,009,266.48-1,392,724.12-579,243.92

Finding the Fourth Proportional to 1,009,266.48, 1,392,724.12 and 579,243.92

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Solution

The fourth proportional to 1,009,266.48, 1,392,724.12 and 579,243.92 is: 799,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,266.48 : 1,392,724.12 = 579,243.92 : x
  2. Step 2: Convert to fraction form
    1,009,266.48/1,392,724.12 = 579,243.92/x
  3. Step 3: Cross multiply
    1,009,266.48x = 1,392,724.12 × 579,243.92
  4. Step 4: Simplify right side
    1,009,266.48x = 806,726,978,747.35
  5. Step 5: Solve for x
    x = 806,726,978,747.35/1,009,266.48
  6. Step 6: Final answer
    x = 799,320.10

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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.