Home / 823,547.52-1,135,470.69-630,194.85

Finding the Fourth Proportional to 823,547.52, 1,135,470.69 and 630,194.85

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Solution

The fourth proportional to 823,547.52, 1,135,470.69 and 630,194.85 is: 868,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,547.52 : 1,135,470.69 = 630,194.85 : x
  2. Step 2: Convert to fraction form
    823,547.52/1,135,470.69 = 630,194.85/x
  3. Step 3: Cross multiply
    823,547.52x = 1,135,470.69 × 630,194.85
  4. Step 4: Simplify right side
    823,547.52x = 715,567,781,163.95
  5. Step 5: Solve for x
    x = 715,567,781,163.95/823,547.52
  6. Step 6: Final answer
    x = 868,884.63

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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.