Home / 936,228.51-1,292,028.57-528,429.60

Finding the Fourth Proportional to 936,228.51, 1,292,028.57 and 528,429.60

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Solution

The fourth proportional to 936,228.51, 1,292,028.57 and 528,429.60 is: 729,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,228.51 : 1,292,028.57 = 528,429.60 : x
  2. Step 2: Convert to fraction form
    936,228.51/1,292,028.57 = 528,429.60/x
  3. Step 3: Cross multiply
    936,228.51x = 1,292,028.57 × 528,429.60
  4. Step 4: Simplify right side
    936,228.51x = 682,746,140,433.67
  5. Step 5: Solve for x
    x = 682,746,140,433.67/936,228.51
  6. Step 6: Final answer
    x = 729,251.60

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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.