Home / 950,435-1,311,277.38-542,243.60

Finding the Fourth Proportional to 950,435, 1,311,277.38 and 542,243.60

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Solution

The fourth proportional to 950,435, 1,311,277.38 and 542,243.60 is: 748,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,435 : 1,311,277.38 = 542,243.60 : x
  2. Step 2: Convert to fraction form
    950,435/1,311,277.38 = 542,243.60/x
  3. Step 3: Cross multiply
    950,435x = 1,311,277.38 × 542,243.60
  4. Step 4: Simplify right side
    950,435x = 711,031,767,129.77
  5. Step 5: Solve for x
    x = 711,031,767,129.77/950,435
  6. Step 6: Final answer
    x = 748,111.94

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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.