Home / 936,386.24-1,292,209.44-506,667.20

Finding the Fourth Proportional to 936,386.24, 1,292,209.44 and 506,667.20

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Solution

The fourth proportional to 936,386.24, 1,292,209.44 and 506,667.20 is: 699,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,386.24 : 1,292,209.44 = 506,667.20 : x
  2. Step 2: Convert to fraction form
    936,386.24/1,292,209.44 = 506,667.20/x
  3. Step 3: Cross multiply
    936,386.24x = 1,292,209.44 × 506,667.20
  4. Step 4: Simplify right side
    936,386.24x = 654,720,138,778.37
  5. Step 5: Solve for x
    x = 654,720,138,778.37/936,386.24
  6. Step 6: Final answer
    x = 699,198.80

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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.