Home / 936,332.56-1,292,143.39-528,451.59

Finding the Fourth Proportional to 936,332.56, 1,292,143.39 and 528,451.59

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Solution

The fourth proportional to 936,332.56, 1,292,143.39 and 528,451.59 is: 729,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,332.56 : 1,292,143.39 = 528,451.59 : x
  2. Step 2: Convert to fraction form
    936,332.56/1,292,143.39 = 528,451.59/x
  3. Step 3: Cross multiply
    936,332.56x = 1,292,143.39 × 528,451.59
  4. Step 4: Simplify right side
    936,332.56x = 682,835,232,477.90
  5. Step 5: Solve for x
    x = 682,835,232,477.90/936,332.56
  6. Step 6: Final answer
    x = 729,265.71

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Double scale
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1.5x scale

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.