Home / 936,332.42-1,292,143.14-528,451.46

Finding the Fourth Proportional to 936,332.42, 1,292,143.14 and 528,451.46

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Solution

The fourth proportional to 936,332.42, 1,292,143.14 and 528,451.46 is: 729,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,332.42 : 1,292,143.14 = 528,451.46 : x
  2. Step 2: Convert to fraction form
    936,332.42/1,292,143.14 = 528,451.46/x
  3. Step 3: Cross multiply
    936,332.42x = 1,292,143.14 × 528,451.46
  4. Step 4: Simplify right side
    936,332.42x = 682,834,928,861.98
  5. Step 5: Solve for x
    x = 682,834,928,861.98/936,332.42
  6. Step 6: Final answer
    x = 729,265.50

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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.