Home / 936,480.38-1,292,344.07-506,760.50

Finding the Fourth Proportional to 936,480.38, 1,292,344.07 and 506,760.50

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Solution

The fourth proportional to 936,480.38, 1,292,344.07 and 506,760.50 is: 699,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,480.38 : 1,292,344.07 = 506,760.50 : x
  2. Step 2: Convert to fraction form
    936,480.38/1,292,344.07 = 506,760.50/x
  3. Step 3: Cross multiply
    936,480.38x = 1,292,344.07 × 506,760.50
  4. Step 4: Simplify right side
    936,480.38x = 654,908,932,450.18
  5. Step 5: Solve for x
    x = 654,908,932,450.18/936,480.38
  6. Step 6: Final answer
    x = 699,330.12

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Double scale
Find fourth proportional to 936,481.38, 1,292,345.45 and 506,761.50
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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.