Home / 936,408.69-1,292,239.85-506,696.40

Finding the Fourth Proportional to 936,408.69, 1,292,239.85 and 506,696.40

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Solution

The fourth proportional to 936,408.69, 1,292,239.85 and 506,696.40 is: 699,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,408.69 : 1,292,239.85 = 506,696.40 : x
  2. Step 2: Convert to fraction form
    936,408.69/1,292,239.85 = 506,696.40/x
  3. Step 3: Cross multiply
    936,408.69x = 1,292,239.85 × 506,696.40
  4. Step 4: Simplify right side
    936,408.69x = 654,773,277,398.06
  5. Step 5: Solve for x
    x = 654,773,277,398.06/936,408.69
  6. Step 6: Final answer
    x = 699,238.79

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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.