Home / 936,255.39-1,292,032.71-528,443.62

Finding the Fourth Proportional to 936,255.39, 1,292,032.71 and 528,443.62

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Solution

The fourth proportional to 936,255.39, 1,292,032.71 and 528,443.62 is: 729,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,255.39 : 1,292,032.71 = 528,443.62 : x
  2. Step 2: Convert to fraction form
    936,255.39/1,292,032.71 = 528,443.62/x
  3. Step 3: Cross multiply
    936,255.39x = 1,292,032.71 × 528,443.62
  4. Step 4: Simplify right side
    936,255.39x = 682,766,435,970.65
  5. Step 5: Solve for x
    x = 682,766,435,970.65/936,255.39
  6. Step 6: Final answer
    x = 729,252.35

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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.