Home / 936,240.50-1,292,045.13-528,441.62

Finding the Fourth Proportional to 936,240.50, 1,292,045.13 and 528,441.62

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Solution

The fourth proportional to 936,240.50, 1,292,045.13 and 528,441.62 is: 729,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,240.50 : 1,292,045.13 = 528,441.62 : x
  2. Step 2: Convert to fraction form
    936,240.50/1,292,045.13 = 528,441.62/x
  3. Step 3: Cross multiply
    936,240.50x = 1,292,045.13 × 528,441.62
  4. Step 4: Simplify right side
    936,240.50x = 682,770,421,610.31
  5. Step 5: Solve for x
    x = 682,770,421,610.31/936,240.50
  6. Step 6: Final answer
    x = 729,268.20

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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.