Home / 939,472.24-1,409,267.04-265,605.52

Finding the Fourth Proportional to 939,472.24, 1,409,267.04 and 265,605.52

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Solution

The fourth proportional to 939,472.24, 1,409,267.04 and 265,605.52 is: 398,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,472.24 : 1,409,267.04 = 265,605.52 : x
  2. Step 2: Convert to fraction form
    939,472.24/1,409,267.04 = 265,605.52/x
  3. Step 3: Cross multiply
    939,472.24x = 1,409,267.04 × 265,605.52
  4. Step 4: Simplify right side
    939,472.24x = 374,309,104,978.06
  5. Step 5: Solve for x
    x = 374,309,104,978.06/939,472.24
  6. Step 6: Final answer
    x = 398,424.87

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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.