Home / 936,077.58-1,291,786.18-506,356.72

Finding the Fourth Proportional to 936,077.58, 1,291,786.18 and 506,356.72

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Solution

The fourth proportional to 936,077.58, 1,291,786.18 and 506,356.72 is: 698,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,077.58 : 1,291,786.18 = 506,356.72 : x
  2. Step 2: Convert to fraction form
    936,077.58/1,291,786.18 = 506,356.72/x
  3. Step 3: Cross multiply
    936,077.58x = 1,291,786.18 × 506,356.72
  4. Step 4: Simplify right side
    936,077.58x = 654,104,608,550.77
  5. Step 5: Solve for x
    x = 654,104,608,550.77/936,077.58
  6. Step 6: Final answer
    x = 698,771.79

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Double scale
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Similar ratio
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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.