Home / 936,512.40-1,292,387.12-506,792.54

Finding the Fourth Proportional to 936,512.40, 1,292,387.12 and 506,792.54

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Solution

The fourth proportional to 936,512.40, 1,292,387.12 and 506,792.54 is: 699,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,512.40 : 1,292,387.12 = 506,792.54 : x
  2. Step 2: Convert to fraction form
    936,512.40/1,292,387.12 = 506,792.54/x
  3. Step 3: Cross multiply
    936,512.40x = 1,292,387.12 × 506,792.54
  4. Step 4: Simplify right side
    936,512.40x = 654,972,151,208.09
  5. Step 5: Solve for x
    x = 654,972,151,208.09/936,512.40
  6. Step 6: Final answer
    x = 699,373.71

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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.